Monthly Returns (%)
| Years | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1977 | 0 | -1.6 | -2.3 | 4.1 | -3.9 | 6.5 | 0 | 1.5 | -3 | -6.1 | 3.3 | -6.4 | 0 |
| 1978 | 4.3 | -12.1 | 3.6 | 9.8 | 10.4 | 3 | 5.6 | -3.3 | -1.4 | -15.5 | 4.1 | 4.1 | 9.4 |
| 1979 | 3 | -6.7 | 0.9 | 0.8 | 3.9 | 12.2 | 0.6 | 2.1 | -6.6 | -7.8 | 0.8 | -2.3 | -0.8 |
| 1980 | -11.6 | -3.6 | 3.7 | 2.6 | 9.4 | 1.7 | -4.6 | -5.7 | -5.1 | -1 | -15.4 | 2.1 | -26.4 |
| 1981 | -11.5 | -1.3 | 7.2 | -8.9 | 0 | -2.4 | -10.3 | -11.2 | -6.4 | -1.5 | 25.8 | -7 | -28.4 |
| 1982 | -1.3 | -1.6 | 0 | 24.3 | -6.2 | 1.4 | 7.7 | 22.7 | 8.7 | 41.9 | 17 | 5.4 | 188.6 |
| 1983 | -8.6 | 11.2 | -4 | 21.6 | -11.2 | -2.9 | -9.9 | -1.1 | 23.6 | -14.4 | 2.1 | -4.1 | -5.5 |
| 1984 | -2 | -28.4 | -0.7 | -11.5 | -14.2 | 4.1 | 11.2 | -8.9 | 14.7 | 11.3 | -0.7 | -4.7 | -32.5 |
| 1985 | 16.5 | -7 | -1.4 | -3.6 | 23 | 7.1 | -1.7 | 5.5 | -16.2 | 15.2 | 20.8 | 3.4 | 69.7 |
| 1986 | 5.5 | 17.5 | 8.2 | -11.8 | 12.3 | 15 | -14.2 | 5.6 | -11.2 | 8.1 | 9.6 | 9 | 58.6 |
| 1987 | 7.2 | 3.4 | 1.7 | -15.9 | -0.7 | 2.3 | 2.5 | 15.4 | -9 | -22.2 | -14.7 | 10.4 | -23.9 |
| 1988 | 20 | -1 | -11.1 | 10.7 | 13.1 | 8.8 | 10.5 | -4.2 | 5.2 | 3.9 | -2 | 3.8 | 69.3 |
| 1989 | 18.2 | 1.7 | 4.9 | 8 | 28.7 | 1.1 | 11.6 | -1 | 28.4 | -3.8 | 1.9 | -17.4 | 103.4 |
| 1990 | -7.4 | 13.6 | -3.2 | 0.9 | 15.2 | 2.2 | -5.4 | -21.9 | -5 | -0.1 | 12.5 | 12.7 | 7.5 |
| 1991 | 11.9 | 13.9 | 0.8 | 0.5 | 12.6 | -3.4 | 17.2 | 6.1 | 6.1 | -3.4 | -10.4 | 23.2 | 97.8 |
| 1992 | -5.7 | -3.9 | 3 | -1.6 | 2 | -4.7 | 10.9 | -5 | 2.7 | 3.7 | 9.4 | 3.2 | 13.1 |
| 1993 | 5 | -1.9 | 1.8 | -1.9 | -2.1 | 9 | -0.1 | -3 | -1.4 | -0.5 | -3.1 | 4 | 5.2 |
| 1994 | 12.1 | -4.9 | -6.5 | 7.9 | 0.3 | 0 | 4.6 | 2.5 | -11.4 | -2.7 | -6.4 | 2.5 | -4.4 |
| 1995 | -0.9 | 7.9 | 5.5 | 12.9 | 5.2 | 1.8 | 2.9 | 1.9 | 8.7 | 4.7 | 4.4 | 13.1 | 91.8 |
| 1996 | 12.1 | -8.3 | 0.8 | -3.3 | 0.8 | 8.5 | -4.1 | -2.4 | 12.5 | 13.3 | 5.4 | -8.8 | 25.7 |
| 1997 | 5.2 | 1.6 | -9.7 | 14.8 | 6.1 | -0.3 | 8.8 | -6.9 | 6.8 | 3.9 | 8.5 | 8.2 | 54.7 |
| 1998 | 8.7 | 3.2 | -0.8 | -4.9 | -0.1 | 1.6 | 1.6 | -3.7 | 8.5 | 10.6 | 2.7 | 1.7 | 31.7 |
| 1999 | -1.2 | -3.9 | -1.1 | 2.8 | -4.2 | 0.5 | 1.4 | -9.9 | 0.9 | 13.5 | -5.9 | -6.3 | -14.3 |
| 2000 | -3.5 | -11.6 | 6.7 | 7.1 | -0.3 | -13.2 | -3.7 | 7.5 | 33 | 8.1 | 2.6 | 9.8 | 41.5 |
| 2001 | -14.2 | 7.4 | -0.1 | 1.2 | 2.7 | 3.1 | -1.7 | -8.5 | 5.1 | 1.5 | -2.9 | 1.2 | -7 |
| 2002 | 2.2 | -3.3 | 2.1 | -0.8 | 1.4 | -7.8 | 2 | 1.2 | -21.4 | 12.8 | -5.7 | 2 | -17.7 |
| 2003 | 1.2 | -0.9 | 2 | 11.4 | 2.2 | -8.9 | -4.4 | 1.2 | 8.4 | 2.7 | -2.4 | 7.2 | 19.6 |
| 2004 | 3.4 | -2.9 | -0.7 | -6.9 | -1.5 | 5.4 | 0.2 | 4.9 | -14.8 | 11.5 | -2.1 | 3.7 | -2.3 |
| 2005 | -9 | -9.4 | -6.9 | -0.4 | 9.8 | -1.4 | -3.9 | -8.6 | -12.2 | 6.6 | 1.1 | 1.6 | -30.1 |
| 2006 | 19.3 | -5.6 | -6 | -1.1 | -1.7 | -3.3 | 0.2 | 9.9 | 6.2 | 6.5 | -3.8 | 4.1 | 24.1 |
| 2007 | -4.1 | 0.4 | -3.8 | 8.7 | 8.7 | 2.2 | -7.7 | 9.6 | -7.3 | -5.4 | -32.6 | 4.1 | -30.5 |
| 2008 | -14.6 | -18.2 | -4.8 | 8.8 | -4.5 | -27.8 | -41.1 | -40.1 | -77.6 | -39.2 | 24.7 | -34.5 | -98 |
| 2009 | -21.1 | -30 | 66.7 | 11.4 | -6.4 | -20.6 | 0 | 232.8 | -21.2 | -29 | -18.5 | 34.1 | 55.3 |
| 2010 | -18.6 | 3.1 | 6.1 | 16.2 | -19.7 | -65.3 | 14.7 | -20.5 | -12.9 | 40.7 | -15.8 | -6.3 | -74.6 |
| 2011 | 86.7 | -17.9 | -15.2 | 12.8 | -13.6 | -13.2 | 0 | -9.1 | -20 | 4.2 | -20 | 0 | -33.3 |
| 2012 | 10 | 45.5 | -9.4 | -3.5 | -3.6 | -3.7 | -11.5 | 8.7 | 12 | -3.6 | 0 | -3.7 | 30 |
| 2013 | 7.7 | 0 | 146.4 | 20.3 | 153 | -32.9 | 9.2 | -20.8 | 7.4 | 78.6 | 13.3 | 13.6 | 1057.7 |
| 2014 | 4 | 53.4 | -18.8 | 0 | 13.6 | -11.7 | 7.2 | -7.2 | -30.9 | -19.7 | 13 | -15.6 | -31.6 |
| 2015 | 9.2 | 25.8 | -17 | 15.3 | -5.5 | -9 | 0.9 | 0.9 | -5.1 | 0 | -7.1 | -21.5 | -20.4 |
| 2016 | -18.9 | 29.3 | -18.6 | 21.4 | 30.6 | -9.9 | -1.5 | -7.6 | -7.1 | 0.6 | 164.1 | -13.1 | 137.8 |
| 2017 | 8.2 | -30.1 | -11.9 | 14.6 | -14.8 | -8.3 | 13.7 | 1.9 | 10.7 | 6 | -4.7 | -12.3 | -32.1 |
| 2018 | -21.9 | -20.3 | -14.6 | 2.1 | 3.5 | -4.7 | 6.3 | 2.7 | -7.1 | -7.6 | -11.3 | -10.2 | -60 |
| 2019 | 139.6 | 5.5 | 4.5 | -11.4 | 23 | -11.5 | -15.6 | 23.7 | 34.8 | -19 | -10.1 | 12.6 | 194.3 |
| 2020 | 2.6 | -18.1 | -39.3 | 8.2 | 22.7 | 2.8 | -9.2 | 17 | -12.4 | -6.9 | 59.6 | -22.5 | -25.5 |
| 2021 | -16.1 | -5.6 | 12.5 | 15.2 | -9.9 | -27.4 | -19.2 | -20.1 | -16.6 | 4.3 | 25.6 | -25.5 | -64.7 |
| 2022 | 1.2 | -1.1 | -4.4 | -2.7 | -0.5 | -43.4 | 42.8 | -12.1 | -3.7 | -1.9 | -15.7 | -6.7 | -59.3 |
| 2023 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 171 |
| 2024 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 167.4 |
| 2025 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 265.3 |
| 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -30.5 |