| Years | Return |
|---|---|
| 1997 | 36.8% |
| 1998 | 48.3% |
| 1999 | 0.8% |
| 2000 | 11.1% |
| 2001 | -27.6% |
| 2002 | -7% |
| 2003 | 41.8% |
| 2004 | 33.1% |
| 2005 | 1.9% |
| 2006 | 32.4% |
| 2007 | 3.8% |
| 2008 | -46.8% |
| 2009 | 22.1% |
| 2010 | -14.2% |
| 2011 | -24.1% |
| 2012 | 15.4% |
| 2013 | 19.1% |
| 2014 | -10.9% |
| 2015 | 2.1% |
| 2016 | -9.8% |
| 2017 | 28.7% |
| 2018 | -17.2% |
| 2019 | 21.9% |
| 2020 | -2.8% |
| 2021 | 11.1% |
| 2022 | -15.5% |
| 2023 | 25.9% |
| 2024 | 14.4% |