| Years | Return |
|---|---|
| 1997 | 2.7% |
| 1998 | 4% |
| 1999 | -14.3% |
| 2000 | -8% |
| 2001 | -2.2% |
| 2002 | 19.7% |
| 2003 | 57.1% |
| 2004 | 73.1% |
| 2005 | 21.1% |
| 2006 | 34.1% |
| 2007 | 1.7% |
| 2008 | -63.1% |
| 2009 | 57.9% |
| 2010 | 15.8% |
| 2011 | -34.2% |
| 2012 | 30.9% |
| 2013 | 11.5% |
| 2014 | -20.9% |
| 2015 | 4.6% |
| 2016 | 7.9% |
| 2017 | 52.5% |
| 2018 | -22.9% |
| 2019 | 13.3% |
| 2020 | -7% |
| 2021 | 28.5% |
| 2022 | -23.6% |
| 2023 | 13.7% |
| 2024 | 8.7% |