Annual Returns (%)
| Year | Return |
|---|---|
| 1977 | 0 |
| 1978 | 9.35 |
| 1979 | -0.81 |
| 1980 | -26.4 |
| 1981 | -28.44 |
| 1982 | 188.57 |
| 1983 | -5.49 |
| 1984 | -32.48 |
| 1985 | 69.68 |
| 1986 | 58.6 |
| 1987 | -23.9 |
| 1988 | 69.28 |
| 1989 | 103.42 |
| 1990 | 7.48 |
| 1991 | 97.77 |
| 1992 | 13.05 |
| 1993 | 5.18 |
| 1994 | -4.38 |
| 1995 | 91.82 |
| 1996 | 25.73 |
| 1997 | 54.74 |
| 1998 | 31.73 |
| 1999 | -14.28 |
| 2000 | 41.53 |
| 2001 | -6.97 |
| 2002 | -17.65 |
| 2003 | 19.57 |
| 2004 | -2.33 |
| 2005 | -30.14 |
| 2006 | 24.06 |
| 2007 | -30.48 |
| 2008 | -98.04 |
| 2009 | 55.26 |
| 2010 | -74.58 |
| 2011 | -33.33 |
| 2012 | 30 |
| 2013 | 1057.69 |
| 2014 | -31.56 |
| 2015 | -20.39 |
| 2016 | 137.8 |
| 2017 | -32.05 |
| 2018 | -60 |
| 2019 | 194.34 |
| 2020 | -25.48 |
| 2021 | -64.73 |
| 2022 | -59.27 |
| 2023 | 170.96 |
| 2024 | 167.4 |
| 2025 | 265.29 |
| 2026 | -19.34 |