| Date | Value |
|---|---|
| Nov 30, 2023 | 4.73% |
| Jan 1, 2023 | 4.21% |
| Jan 1, 2022 | 0.98% |
| Jan 1, 2021 | 0.13% |
| Jan 1, 2020 | 1.52% |
| Jan 1, 2019 | 2.54% |
| Jan 1, 2018 | 2.03% |
| Jan 1, 2017 | 1.21% |
| Jan 1, 2016 | 0.90% |
| Jan 1, 2015 | 0.55% |
| Jan 1, 2014 | 0.39% |
| Jan 1, 2013 | 0.27% |
| Jan 1, 2012 | 0.24% |
| Jan 1, 2011 | 0.61% |
| Jan 1, 2010 | 0.93% |
| Jan 1, 2009 | 0.81% |
| Jan 1, 2008 | 2.48% |
| Jan 1, 2007 | 4.88% |
| Jan 1, 2006 | 4.40% |
| Jan 1, 2005 | 3.22% |
| Jan 1, 2004 | 1.76% |
| Jan 1, 2003 | 1.74% |
| Jan 1, 2002 | 3.03% |
| Jan 1, 2001 | 4.76% |
| Jan 1, 2000 | 6.44% |
| Jan 1, 1999 | 4.62% |
| Jan 1, 1998 | 5.36% |
| Jan 1, 1997 | 6.01% |
| Jan 1, 1996 | 5.11% |
| Jan 1, 1995 | 7.51% |
| Jan 1, 1994 | 4.14% |
| Jan 1, 1993 | 4.39% |
| Jan 1, 1992 | 4.96% |
| Jan 1, 1991 | 7.13% |
| Jan 1, 1990 | 8.09% |