| Year | Return |
|---|---|
| 2025 | 10.85 |
| 2024 | -20.79 |
| 2023 | 11.12 |
| 2022 | -6.88 |
| 2021 | 27.03 |
| 2020 | 23.40 |
| 2019 | 36.44 |
| 2018 | -18.48 |
| 2017 | 30.66 |
| 2016 | 74.67 |
| 2015 | -17.71 |
| 2014 | 4.93 |
| 2013 | 17.71 |
| 2012 | 53.28 |
| 2011 | -10.36 |
| 2010 | 50.18 |
| 2009 | 89.47 |
| 2008 | -44.29 |
| 2007 | 16.32 |
| 2006 | 23.01 |
| 2005 | 1.10 |
| 2004 | 15.78 |
| 2003 | 39.39 |
| 2002 | -5.98 |
| 2001 | 3.57 |
| 2000 | 5.70 |
| 1999 | -6.08 |
| 1998 | 11.99 |
| 1997 | -28.04 |
| 1996 | 13.33 |
| 1995 | -6.25 |
| 1994 | 11.63 |
| 1993 | 13.16 |
| 1992 | 3.26 |
| 1991 | 93.68 |
| 1990 | -5.00 |
| 1989 | 5.26 |
| 1988 | 48.44 |
| 1987 | 62.71 |
| 1986 | 59.46 |
| 1985 | 5.71 |
| 1984 | 2.94 |
| 1983 | 10.87 |
| 1982 | 24.32 |
| 1981 | -47.14 |
| 1980 | 32.08 |
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 2025-10-31