| Years | Return |
|---|---|
| 1997 | -44.4% |
| 1998 | -5.1% |
| 1999 | 52.7% |
| 2000 | -26.4% |
| 2001 | -20.9% |
| 2002 | -14.2% |
| 2003 | 45.1% |
| 2004 | 24.2% |
| 2005 | 14.3% |
| 2006 | 45.8% |
| 2007 | 27.9% |
| 2008 | -46.1% |
| 2009 | 68% |
| 2010 | 24.6% |
| 2011 | -18.6% |
| 2012 | 31.7% |
| 2013 | 0% |
| 2014 | 2.7% |
| 2015 | -19.9% |
| 2016 | 0.4% |
| 2017 | 34.8% |
| 2018 | -11.3% |
| 2019 | 9.1% |
| 2020 | -15.9% |
| 2021 | 3.9% |
| 2022 | -10.8% |
| 2023 | -0.6% |
| 2024 | 4.9% |