| Years | Return |
|---|---|
| 2009 | 0% |
| 2012 | -28.2% |
| 2013 | 0% |
| 2014 | -2.4% |
| 2015 | 6.3% |
| 2016 | 6.4% |
| 2017 | 3.4% |
| 2018 | -0.9% |
| 2019 | 2.9% |
| 2020 | -0.5% |
| 2000 | 8.2% |
| 2001 | -20% |
| 2002 | -10.8% |
| 2003 | 53.5% |
| 2004 | 22.8% |
| 2005 | 27.5% |
| 2006 | 16.9% |
| 2007 | 28.4% |
| 2008 | -44.4% |
| 2010 | 75.7% |
| 2011 | -3.1% |
| 2021 | -4.2% |
| 2023 | 0% |
| 2024 | 0% |
| 2022 | -5.3% |