| Year | Return |
|---|---|
| 2025 | -10.55 |
| 2024 | 6.87 |
| 2023 | -13.65 |
| 2022 | -28.58 |
| 2021 | 35.26 |
| 2020 | -29.22 |
| 2019 | 70.49 |
| 2018 | -34.13 |
| 2017 | 31.44 |
| 2016 | 15.66 |
| 2015 | 33.03 |
| 2014 | 19.81 |
| 2013 | 72.47 |
| 2012 | -6.01 |
| 2011 | 19.86 |
| 2010 | 40.34 |
| 2009 | 40.07 |
| 2008 | -42.86 |
| 2007 | -6.81 |
| 2006 | -3.80 |
| 2005 | -7.07 |
| 2004 | 38.97 |
| 2003 | 18.00 |
| 2002 | -2.86 |
| 2001 | -9.41 |
| 2000 | -21.54 |
| 1999 | -23.53 |
| 1998 | 3.66 |
| 1997 | -10.22 |
| 1996 | 31.10 |
| 1995 | 22.94 |
| 1994 | -11.46 |
| 1993 | -1.03 |
| 1992 | 20.50 |
| 1991 | 29.84 |
| 1990 | 24.62 |
| 1989 | 44.20 |
| 1988 | 33.98 |
| 1987 | -29.13 |
| 1986 | -0.91 |
| 1985 | -23.61 |
| 1984 | 118.18 |
| 1983 | -29.79 |
| 1982 | 80.77 |
| 1981 | -19.38 |
| 1980 | 79.17 |
Returns are calculated using the closing price of the previous year to the closing price of the current year. The yearly returns are not adjusted for dividends or inflation.
Note: 2025 return as of the closing price on 2025-10-24