Amgen (AMGN) seasonality heatmap
Returns across monthly, quarterly, and yearly periods. Cell color encodes signed magnitude; the scale auto-fits each table.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +4.5% | +14.3% | -9.4% | -1.6% | -2.7% | +5.5% | — | — | — | — | — | — |
| 2025 | +9.5% | +8.8% | +1.1% | -6.6% | -0.1% | -3.1% | +5.7% | -1.7% | -1.9% | +5.7% | +16.6% | -5.3% |
| 2024 | +9.1% | -12.2% | +3.8% | -3.6% | +12.4% | +2.2% | +6.4% | +1.1% | -3.5% | -0.6% | -10.9% | -7.9% |
| 2023 | -3.9% | -7.4% | +4.4% | -0.8% | -7.1% | +0.6% | +5.5% | +10.4% | +4.8% | -4.9% | +6.3% | +6.8% |
| 2022 | +1.0% | +0.6% | +6.8% | -3.6% | +11.0% | -5.2% | +1.7% | -2.1% | -6.2% | +19.9% | +6.7% | -8.3% |
| 2021 | +5.0% | -6.1% | +10.6% | -3.7% | -0.0% | +2.4% | -0.9% | -5.9% | -5.7% | -2.7% | -3.1% | +13.1% |
| 2020 | -10.4% | -6.9% | +1.5% | +18.0% | -3.3% | +2.7% | +3.7% | +4.2% | +0.3% | -14.6% | +3.0% | +3.5% |
| 2019 | -3.9% | +2.4% | -0.1% | -5.6% | -6.2% | +10.5% | +1.3% | +12.6% | -7.2% | +10.2% | +10.8% | +2.7% |
| 2018 | +7.0% | -0.5% | -7.2% | +2.3% | +3.7% | +2.8% | +6.5% | +2.3% | +3.7% | -7.0% | +8.8% | -6.5% |
| 2017 | +7.2% | +13.5% | -7.1% | -0.5% | -4.3% | +10.9% | +1.3% | +2.6% | +4.9% | -6.0% | +0.9% | -1.0% |
| 2016 | -5.9% | -6.2% | +5.4% | +5.6% | +0.4% | -3.7% | +13.1% | -0.6% | -1.9% | -15.4% | +2.8% | +1.5% |
| 2015 | -4.4% | +4.1% | +1.4% | -1.2% | -0.6% | -1.8% | +15.0% | -13.6% | -8.9% | +14.4% | +2.4% | +0.8% |
| 2014 | +4.3% | +4.8% | -0.5% | -9.4% | +4.4% | +2.0% | +7.6% | +9.9% | +0.8% | +15.5% | +2.3% | -3.6% |
| 2013 | -0.8% | +7.7% | +12.0% | +1.7% | -3.1% | -1.9% | +9.8% | +1.0% | +2.7% | +3.8% | -1.4% | +0.0% |
| 2012 | +5.8% | +0.7% | -0.1% | +4.6% | -1.7% | +4.9% | +13.3% | +2.0% | +0.4% | +2.6% | +3.1% | -2.9% |
| 2011 | +0.3% | -6.8% | +4.1% | +6.4% | +6.5% | -3.6% | -6.3% | +1.8% | -0.8% | +4.2% | +1.6% | +10.9% |
| 2010 | +3.4% | -3.2% | +5.7% | -4.2% | -9.6% | +1.6% | +3.7% | -6.4% | +8.0% | +3.8% | -7.9% | +4.2% |
| 2009 | -5.0% | -10.8% | +1.2% | -2.1% | +3.0% | +6.0% | +17.7% | -4.1% | +0.8% | -11.0% | +5.1% | +0.4% |
| 2008 | +0.3% | -2.3% | -8.2% | +0.2% | +5.2% | +7.1% | +32.8% | +0.4% | -5.7% | +1.0% | -7.3% | +4.0% |
| 2007 | +3.0% | -8.7% | -13.0% | +14.8% | -12.0% | -2.0% | -2.8% | -6.8% | +12.9% | +2.7% | -4.9% | -15.9% |
| 2006 | -7.6% | +3.6% | -3.6% | -6.9% | -0.2% | -3.5% | +6.9% | -2.4% | +5.1% | +6.1% | -6.4% | -3.8% |
| 2005 | -3.0% | -1.0% | -5.5% | +0.0% | +7.5% | -3.4% | +32.0% | +0.2% | -0.3% | -5.1% | +7.0% | -2.6% |
| 2004 | +4.7% | -1.8% | -8.5% | -3.0% | -3.0% | -0.2% | +4.2% | +4.2% | -4.2% | +0.0% | +5.7% | +6.8% |
| 2003 | +5.4% | +7.2% | +5.3% | +6.5% | +5.6% | +1.8% | +5.3% | -5.0% | -2.2% | -4.3% | -6.7% | +7.2% |
| 2002 | -1.7% | +4.5% | +2.9% | -11.4% | -9.9% | -12.1% | +9.0% | -1.3% | -7.4% | +11.7% | +1.4% | +2.4% |
| 2001 | +10.0% | +2.5% | -16.5% | +1.6% | +8.6% | -8.6% | +3.4% | +2.5% | -8.6% | -3.3% | +16.9% | -15.0% |
| 2000 | +6.1% | +7.1% | -10.0% | -8.8% | +13.6% | +10.4% | -7.6% | +16.7% | -7.9% | -17.0% | +9.8% | +0.5% |
| 1999 | +22.2% | -2.3% | +19.9% | -18.0% | +3.0% | -3.8% | +26.3% | +8.2% | -2.0% | -2.1% | +14.2% | +31.8% |
| 1998 | -7.5% | +6.1% | +14.7% | -2.0% | +1.5% | +7.9% | +12.4% | -17.1% | +24.1% | +4.0% | -4.2% | +39.0% |
| 1997 | +3.7% | +8.5% | -8.6% | +5.4% | +13.6% | -13.1% | +1.2% | -15.8% | -3.2% | +2.7% | +3.8% | +5.8% |
| 1996 | +1.3% | -0.6% | -2.8% | -1.0% | +3.5% | -9.3% | +1.2% | +6.6% | +8.4% | -2.9% | -0.7% | -10.8% |
| 1995 | +7.8% | +8.6% | -2.4% | +7.9% | -0.3% | +10.9% | +5.9% | +12.5% | +4.2% | -3.8% | +3.4% | +19.5% |
| 1994 | -1.7% | -14.3% | -8.5% | +5.9% | +15.2% | -7.9% | +15.7% | +6.2% | +1.1% | +4.7% | +4.7% | +1.0% |
| 1993 | -12.2% | -41.6% | +4.2% | +6.0% | -11.2% | +3.0% | -4.2% | +5.7% | +4.5% | +18.0% | -0.8% | +9.4% |
| 1992 | -7.0% | -7.4% | -4.3% | -10.2% | +8.9% | -0.2% | +7.6% | -3.2% | -1.1% | +6.4% | +15.1% | -8.0% |
| 1991 | +18.9% | +23.6% | +44.0% | -3.5% | -3.6% | -3.5% | +25.6% | +8.2% | +3.5% | +8.6% | -6.5% | +35.2% |
| 1990 | -4.5% | +23.2% | +7.5% | +3.1% | +9.8% | +11.4% | +10.9% | +4.9% | -1.6% | +5.6% | +23.3% | +6.7% |
| 1989 | +11.8% | +0.0% | +8.6% | -2.4% | +0.3% | +7.8% | +0.6% | -10.3% | +7.7% | +37.1% | -2.5% | -12.8% |
| 1988 | +4.8% | +2.3% | -3.0% | -9.3% | -3.4% | -4.4% | +5.6% | +10.5% | +4.0% | -3.1% | -0.8% | +7.1% |
| 1987 | +18.1% | +44.0% | +2.3% | +3.2% | +2.2% | -5.8% | -22.2% | +7.6% | +2.3% | -18.3% | -20.6% | +45.9% |
| 1986 | +5.6% | +5.3% | +23.3% | +11.5% | +24.9% | -3.4% | -10.0% | -2.8% | -19.0% | +28.4% | +5.5% | -7.3% |
| 1985 | +40.0% | -21.4% | +0.0% | +11.4% | +26.5% | +3.2% | -9.4% | +5.2% | +4.9% | +31.3% | +7.1% | +20.0% |
| 1984 | +6.9% | -22.6% | +0.0% | -10.4% | +0.0% | +7.0% | -17.4% | +7.9% | -2.4% | -10.0% | -2.8% | +14.3% |
| 1983 | — | — | — | — | — | — | -11.5% | -27.2% | +1.5% | -23.5% | +5.8% | +5.5% |
| Avg | +3.4% | +0.4% | +1.7% | -0.3% | +2.5% | +0.4% | +5.3% | +0.7% | +0.2% | +2.2% | +2.5% | +4.5% |
| Median | +3.7% | +0.6% | +1.1% | -1.0% | +0.4% | +0.2% | +5.5% | +1.8% | +0.3% | +2.6% | +2.8% | +2.4% |
| Last 5Y Avg | +4.0% | +0.8% | +1.3% | -3.3% | +2.7% | -0.6% | +3.7% | +0.3% | -2.5% | +3.5% | +3.1% | -0.3% |
| Std Dev (σ) | 9.4% | 13.4% | 10.6% | 7.3% | 8.5% | 6.3% | 11.5% | 8.7% | 6.9% | 12.7% | 8.2% | 13.7% |
| Consistency (μ/σ) | 0.37 | 0.03 | 0.16 | -0.04 | 0.30 | 0.06 | 0.46 | 0.08 | 0.03 | 0.17 | 0.30 | 0.33 |
| Win Rate (%) | 65% | 51% | 51% | 42% | 53% | 50% | 77% | 60% | 51% | 53% | 63% | 63% |
| Winning / Losing Months | ▲28▼15 | ▲22▼21 | ▲22▼21 | ▲18▼25 | ▲23▼20 | ▲21▼21 | ▲33▼10 | ▲26▼17 | ▲22▼21 | ▲23▼20 | ▲27▼16 | ▲27▼16 |
| Longest Win / Loss Streak | ▲6▼3 | ▲4▼5 | ▲6▼5 | ▲3▼6 | ▲6▼3 | ▲5▼4 | ▲9▼5 | ▲4▼2 | ▲4▼7 | ▲6▼3 | ▲7▼3 | ▲4▼3 |
| Best | +40.0%in January 1985 | +44.0%in February 1987 | +44.0%in March 1991 | +18.0%in April 2020 | +26.5%in May 1985 | +11.4%in June 1990 | +32.8%in July 2008 | +16.7%in August 2000 | +24.1%in September 1998 | +37.1%in October 1989 | +23.3%in November 1990 | +45.9%in December 1987 |
| Worst | -12.2%in January 1993 | -41.6%in February 1993 | -16.5%in March 2001 | -18.0%in April 1999 | -12.0%in May 2007 | -13.1%in June 1997 | -22.2%in July 1987 | -27.2%in August 1983 | -19.0%in September 1986 | -23.5%in October 1983 | -20.6%in November 1987 | -15.9%in December 2007 |
−41.6%+45.9%
2026
Jan+4.5%
Feb+14.3%
Mar-9.4%
Apr-1.6%
May-2.7%
Jun+5.5%
Jul—
Aug—
Sep—
Oct—
Nov—
Dec—
2025
Jan+9.5%
Feb+8.8%
Mar+1.1%
Apr-6.6%
May-0.1%
Jun-3.1%
Jul+5.7%
Aug-1.7%
Sep-1.9%
Oct+5.7%
Nov+16.6%
Dec-5.3%
2024
Jan+9.1%
Feb-12.2%
Mar+3.8%
Apr-3.6%
May+12.4%
Jun+2.2%
Jul+6.4%
Aug+1.1%
Sep-3.5%
Oct-0.6%
Nov-10.9%
Dec-7.9%
2023
Jan-3.9%
Feb-7.4%
Mar+4.4%
Apr-0.8%
May-7.1%
Jun+0.6%
Jul+5.5%
Aug+10.4%
Sep+4.8%
Oct-4.9%
Nov+6.3%
Dec+6.8%
2022
Jan+1.0%
Feb+0.6%
Mar+6.8%
Apr-3.6%
May+11.0%
Jun-5.2%
Jul+1.7%
Aug-2.1%
Sep-6.2%
Oct+19.9%
Nov+6.7%
Dec-8.3%
2021
Jan+5.0%
Feb-6.1%
Mar+10.6%
Apr-3.7%
May-0.0%
Jun+2.4%
Jul-0.9%
Aug-5.9%
Sep-5.7%
Oct-2.7%
Nov-3.1%
Dec+13.1%
2020
Jan-10.4%
Feb-6.9%
Mar+1.5%
Apr+18.0%
May-3.3%
Jun+2.7%
Jul+3.7%
Aug+4.2%
Sep+0.3%
Oct-14.6%
Nov+3.0%
Dec+3.5%
2019
Jan-3.9%
Feb+2.4%
Mar-0.1%
Apr-5.6%
May-6.2%
Jun+10.5%
Jul+1.3%
Aug+12.6%
Sep-7.2%
Oct+10.2%
Nov+10.8%
Dec+2.7%
2018
Jan+7.0%
Feb-0.5%
Mar-7.2%
Apr+2.3%
May+3.7%
Jun+2.8%
Jul+6.5%
Aug+2.3%
Sep+3.7%
Oct-7.0%
Nov+8.8%
Dec-6.5%
2017
Jan+7.2%
Feb+13.5%
Mar-7.1%
Apr-0.5%
May-4.3%
Jun+10.9%
Jul+1.3%
Aug+2.6%
Sep+4.9%
Oct-6.0%
Nov+0.9%
Dec-1.0%
2016
Jan-5.9%
Feb-6.2%
Mar+5.4%
Apr+5.6%
May+0.4%
Jun-3.7%
Jul+13.1%
Aug-0.6%
Sep-1.9%
Oct-15.4%
Nov+2.8%
Dec+1.5%
2015
Jan-4.4%
Feb+4.1%
Mar+1.4%
Apr-1.2%
May-0.6%
Jun-1.8%
Jul+15.0%
Aug-13.6%
Sep-8.9%
Oct+14.4%
Nov+2.4%
Dec+0.8%
2014
Jan+4.3%
Feb+4.8%
Mar-0.5%
Apr-9.4%
May+4.4%
Jun+2.0%
Jul+7.6%
Aug+9.9%
Sep+0.8%
Oct+15.5%
Nov+2.3%
Dec-3.6%
2013
Jan-0.8%
Feb+7.7%
Mar+12.0%
Apr+1.7%
May-3.1%
Jun-1.9%
Jul+9.8%
Aug+1.0%
Sep+2.7%
Oct+3.8%
Nov-1.4%
Dec+0.0%
2012
Jan+5.8%
Feb+0.7%
Mar-0.1%
Apr+4.6%
May-1.7%
Jun+4.9%
Jul+13.3%
Aug+2.0%
Sep+0.4%
Oct+2.6%
Nov+3.1%
Dec-2.9%
2011
Jan+0.3%
Feb-6.8%
Mar+4.1%
Apr+6.4%
May+6.5%
Jun-3.6%
Jul-6.3%
Aug+1.8%
Sep-0.8%
Oct+4.2%
Nov+1.6%
Dec+10.9%
2010
Jan+3.4%
Feb-3.2%
Mar+5.7%
Apr-4.2%
May-9.6%
Jun+1.6%
Jul+3.7%
Aug-6.4%
Sep+8.0%
Oct+3.8%
Nov-7.9%
Dec+4.2%
2009
Jan-5.0%
Feb-10.8%
Mar+1.2%
Apr-2.1%
May+3.0%
Jun+6.0%
Jul+17.7%
Aug-4.1%
Sep+0.8%
Oct-11.0%
Nov+5.1%
Dec+0.4%
2008
Jan+0.3%
Feb-2.3%
Mar-8.2%
Apr+0.2%
May+5.2%
Jun+7.1%
Jul+32.8%
Aug+0.4%
Sep-5.7%
Oct+1.0%
Nov-7.3%
Dec+4.0%
2007
Jan+3.0%
Feb-8.7%
Mar-13.0%
Apr+14.8%
May-12.0%
Jun-2.0%
Jul-2.8%
Aug-6.8%
Sep+12.9%
Oct+2.7%
Nov-4.9%
Dec-15.9%
2006
Jan-7.6%
Feb+3.6%
Mar-3.6%
Apr-6.9%
May-0.2%
Jun-3.5%
Jul+6.9%
Aug-2.4%
Sep+5.1%
Oct+6.1%
Nov-6.4%
Dec-3.8%
2005
Jan-3.0%
Feb-1.0%
Mar-5.5%
Apr+0.0%
May+7.5%
Jun-3.4%
Jul+32.0%
Aug+0.2%
Sep-0.3%
Oct-5.1%
Nov+7.0%
Dec-2.6%
2004
Jan+4.7%
Feb-1.8%
Mar-8.5%
Apr-3.0%
May-3.0%
Jun-0.2%
Jul+4.2%
Aug+4.2%
Sep-4.2%
Oct+0.0%
Nov+5.7%
Dec+6.8%
2003
Jan+5.4%
Feb+7.2%
Mar+5.3%
Apr+6.5%
May+5.6%
Jun+1.8%
Jul+5.3%
Aug-5.0%
Sep-2.2%
Oct-4.3%
Nov-6.7%
Dec+7.2%
2002
Jan-1.7%
Feb+4.5%
Mar+2.9%
Apr-11.4%
May-9.9%
Jun-12.1%
Jul+9.0%
Aug-1.3%
Sep-7.4%
Oct+11.7%
Nov+1.4%
Dec+2.4%
2001
Jan+10.0%
Feb+2.5%
Mar-16.5%
Apr+1.6%
May+8.6%
Jun-8.6%
Jul+3.4%
Aug+2.5%
Sep-8.6%
Oct-3.3%
Nov+16.9%
Dec-15.0%
2000
Jan+6.1%
Feb+7.1%
Mar-10.0%
Apr-8.8%
May+13.6%
Jun+10.4%
Jul-7.6%
Aug+16.7%
Sep-7.9%
Oct-17.0%
Nov+9.8%
Dec+0.5%
1999
Jan+22.2%
Feb-2.3%
Mar+19.9%
Apr-18.0%
May+3.0%
Jun-3.8%
Jul+26.3%
Aug+8.2%
Sep-2.0%
Oct-2.1%
Nov+14.2%
Dec+31.8%
1998
Jan-7.5%
Feb+6.1%
Mar+14.7%
Apr-2.0%
May+1.5%
Jun+7.9%
Jul+12.4%
Aug-17.1%
Sep+24.1%
Oct+4.0%
Nov-4.2%
Dec+39.0%
1997
Jan+3.7%
Feb+8.5%
Mar-8.6%
Apr+5.4%
May+13.6%
Jun-13.1%
Jul+1.2%
Aug-15.8%
Sep-3.2%
Oct+2.7%
Nov+3.8%
Dec+5.8%
1996
Jan+1.3%
Feb-0.6%
Mar-2.8%
Apr-1.0%
May+3.5%
Jun-9.3%
Jul+1.2%
Aug+6.6%
Sep+8.4%
Oct-2.9%
Nov-0.7%
Dec-10.8%
1995
Jan+7.8%
Feb+8.6%
Mar-2.4%
Apr+7.9%
May-0.3%
Jun+10.9%
Jul+5.9%
Aug+12.5%
Sep+4.2%
Oct-3.8%
Nov+3.4%
Dec+19.5%
1994
Jan-1.7%
Feb-14.3%
Mar-8.5%
Apr+5.9%
May+15.2%
Jun-7.9%
Jul+15.7%
Aug+6.2%
Sep+1.1%
Oct+4.7%
Nov+4.7%
Dec+1.0%
1993
Jan-12.2%
Feb-41.6%
Mar+4.2%
Apr+6.0%
May-11.2%
Jun+3.0%
Jul-4.2%
Aug+5.7%
Sep+4.5%
Oct+18.0%
Nov-0.8%
Dec+9.4%
1992
Jan-7.0%
Feb-7.4%
Mar-4.3%
Apr-10.2%
May+8.9%
Jun-0.2%
Jul+7.6%
Aug-3.2%
Sep-1.1%
Oct+6.4%
Nov+15.1%
Dec-8.0%
1991
Jan+18.9%
Feb+23.6%
Mar+44.0%
Apr-3.5%
May-3.6%
Jun-3.5%
Jul+25.6%
Aug+8.2%
Sep+3.5%
Oct+8.6%
Nov-6.5%
Dec+35.2%
1990
Jan-4.5%
Feb+23.2%
Mar+7.5%
Apr+3.1%
May+9.8%
Jun+11.4%
Jul+10.9%
Aug+4.9%
Sep-1.6%
Oct+5.6%
Nov+23.3%
Dec+6.7%
1989
Jan+11.8%
Feb+0.0%
Mar+8.6%
Apr-2.4%
May+0.3%
Jun+7.8%
Jul+0.6%
Aug-10.3%
Sep+7.7%
Oct+37.1%
Nov-2.5%
Dec-12.8%
1988
Jan+4.8%
Feb+2.3%
Mar-3.0%
Apr-9.3%
May-3.4%
Jun-4.4%
Jul+5.6%
Aug+10.5%
Sep+4.0%
Oct-3.1%
Nov-0.8%
Dec+7.1%
1987
Jan+18.1%
Feb+44.0%
Mar+2.3%
Apr+3.2%
May+2.2%
Jun-5.8%
Jul-22.2%
Aug+7.6%
Sep+2.3%
Oct-18.3%
Nov-20.6%
Dec+45.9%
1986
Jan+5.6%
Feb+5.3%
Mar+23.3%
Apr+11.5%
May+24.9%
Jun-3.4%
Jul-10.0%
Aug-2.8%
Sep-19.0%
Oct+28.4%
Nov+5.5%
Dec-7.3%
1985
Jan+40.0%
Feb-21.4%
Mar+0.0%
Apr+11.4%
May+26.5%
Jun+3.2%
Jul-9.4%
Aug+5.2%
Sep+4.9%
Oct+31.3%
Nov+7.1%
Dec+20.0%
1984
Jan+6.9%
Feb-22.6%
Mar+0.0%
Apr-10.4%
May+0.0%
Jun+7.0%
Jul-17.4%
Aug+7.9%
Sep-2.4%
Oct-10.0%
Nov-2.8%
Dec+14.3%
1983
Jan—
Feb—
Mar—
Apr—
May—
Jun—
Jul-11.5%
Aug-27.2%
Sep+1.5%
Oct-23.5%
Nov+5.8%
Dec+5.5%
Avg
Jan+3.4%
Feb+0.4%
Mar+1.7%
Apr-0.3%
May+2.5%
Jun+0.4%
Jul+5.3%
Aug+0.7%
Sep+0.2%
Oct+2.2%
Nov+2.5%
Dec+4.5%
Median
Jan+3.7%
Feb+0.6%
Mar+1.1%
Apr-1.0%
May+0.4%
Jun+0.2%
Jul+5.5%
Aug+1.8%
Sep+0.3%
Oct+2.6%
Nov+2.8%
Dec+2.4%
Last 5Y Avg
Jan+4.0%
Feb+0.8%
Mar+1.3%
Apr-3.3%
May+2.7%
Jun-0.6%
Jul+3.7%
Aug+0.3%
Sep-2.5%
Oct+3.5%
Nov+3.1%
Dec-0.3%
Std Dev (σ)
Jan9.4%
Feb13.4%
Mar10.6%
Apr7.3%
May8.5%
Jun6.3%
Jul11.5%
Aug8.7%
Sep6.9%
Oct12.7%
Nov8.2%
Dec13.7%
Consistency (μ/σ)
Jan0.37
Feb0.03
Mar0.16
Apr-0.04
May0.30
Jun0.06
Jul0.46
Aug0.08
Sep0.03
Oct0.17
Nov0.30
Dec0.33
Win Rate (%)
Jan65%
Feb51%
Mar51%
Apr42%
May53%
Jun50%
Jul77%
Aug60%
Sep51%
Oct53%
Nov63%
Dec63%
Winning / Losing Months
Jan▲28▼15
Feb▲22▼21
Mar▲22▼21
Apr▲18▼25
May▲23▼20
Jun▲21▼21
Jul▲33▼10
Aug▲26▼17
Sep▲22▼21
Oct▲23▼20
Nov▲27▼16
Dec▲27▼16
Longest Win / Loss Streak
Jan▲6▼3
Feb▲4▼5
Mar▲6▼5
Apr▲3▼6
May▲6▼3
Jun▲5▼4
Jul▲9▼5
Aug▲4▼2
Sep▲4▼7
Oct▲6▼3
Nov▲7▼3
Dec▲4▼3
Best
Jan+40.0%1985
Feb+44.0%1987
Mar+44.0%1991
Apr+18.0%2020
May+26.5%1985
Jun+11.4%1990
Jul+32.8%2008
Aug+16.7%2000
Sep+24.1%1998
Oct+37.1%1989
Nov+23.3%1990
Dec+45.9%1987
Worst
Jan-12.2%1993
Feb-41.6%1993
Mar-16.5%2001
Apr-18.0%1999
May-12.0%2007
Jun-13.1%1997
Jul-22.2%1987
Aug-27.2%1983
Sep-19.0%1986
Oct-23.5%1983
Nov-20.6%1987
Dec-15.9%2007
−41.6%+45.9%
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