| Date | Value |
|---|---|
| Nov 3, 2025 | 3.61% |
| Jan 1, 2025 | 4.33% |
| Jan 1, 2024 | 4.11% |
| Jan 1, 2023 | 3.91% |
| Jan 1, 2022 | 1.25% |
| Jan 1, 2021 | 0.20% |
| Jan 1, 2020 | 1.52% |
| Jan 1, 2019 | 2.52% |
| Jan 1, 2018 | 2.15% |
| Jan 1, 2017 | 1.48% |
| Jan 1, 2016 | 1.14% |
| Jan 1, 2015 | 0.90% |
| Jan 1, 2014 | 0.78% |
| Jan 1, 2013 | 0.39% |
| Jan 1, 2012 | 0.36% |
| Jan 1, 2011 | 1.03% |
| Jan 1, 2010 | 1.49% |
| Jan 1, 2009 | 1.13% |
| Jan 1, 2008 | 2.51% |
| Jan 1, 2007 | 4.79% |
| Jan 1, 2006 | 4.35% |
| Jan 1, 2005 | 3.39% |
| Jan 1, 2004 | 2.27% |
| Jan 1, 2003 | 2.18% |
| Jan 1, 2002 | 3.56% |
| Jan 1, 2001 | 4.77% |
| Jan 1, 2000 | 6.49% |
| Jan 1, 1999 | 4.61% |
| Jan 1, 1998 | 5.38% |
| Jan 1, 1997 | 6.16% |
| Jan 1, 1996 | 5.20% |
| Jan 1, 1995 | 7.66% |
| Jan 1, 1994 | 4.48% |
| Jan 1, 1993 | 4.93% |
| Jan 1, 1992 | 5.40% |
| Jan 1, 1991 | 7.38% |
| Jan 1, 1990 | 8.13% |