| Date |
Rate |
| April 1,
2012 – June 30, 2012 (Current Rate) |
2.25% |
| January 1, 2012 – March 31, 2012 |
2.42% |
| October 1, 2011 – December 31, 2011 |
2.50% |
| July 1, 2011 – September 30, 2011 |
2.81% |
| April 1,
2011 – June 30, 2011 |
3.06% |
| January 1, 2011 – March 31, 2011 |
2.66% |
| October 1, 2010 - December 31, 2010 |
2.43% |
| July 1, 2010 - September 30, 2010 |
2.61% |
| April 1, 2010 - June 30, 2010 |
2.61% |
| January 1, 2010 - March 31, 2010 |
2.57% |
| October 1, 2009 - December 31, 2009 |
2.71% |
| July 1, 2009 - September 30,
2009 |
2.82% |
| April 1, 2009 - June 30, 2009 |
2.98% |
| January 1, 2009 - March 31,
2009 |
3.26% |
| October 1, 2008 - December 31, 2008 |
2.84% |
| July 1, 2008 - September 30, 2008 |
2.79% |
| April 1, 2008 - June 30, 2008 |
2.77% |
| January 1, 2008 - March 31, 2008 |
2.66% |
| October 1, 2007 - December 31, 2007 |
2.75% |
| July 1, 2007 - September 30, 2007 |
2.64% |
| April 1, 2007 - June
30, 2007 |
2.52% |
| January 1, 2007 - March 31, 2007 |
2.51% |
| October 1, 2006 - December 31,
2006 |
2.64% |
| July 1, 2006 - September 30, 2006 |
2.75% |
| April 1, 2006 - June 30, 2006 |
2.65% |
| January 1, 2006 - March 31, 2006
|
2.71% |
| October 1, 2005 - December 31, 2005 |
2.58% |
| July 1, 2005 - September 30, 2005 |
2.60% |
| April 1, 2005 - June 30, 2005 |
2.67% |
| January 1, 2005 - March 31, 2005 |
2.70% |
| October 1, 2004 - December 31, 2004 |
2.81% |
| July 1, 2004 - September 30, 2004 |
3.00% |
| April 1, 2004 - June 30, 2004 |
2.71% |
| January 1, 2004 - March 31, 2004 |
2.86% |
| October 1, 2003 - December 31, 2003 |
2.96% |
| July 1, 2003 - September 30, 2003 |
2.67% |
| April 1, 2002 - June 30, 2003 |
2.90% |
| January 1, 2002
- March 31, 2003 |
2.95% |
| October 1, 2002
-December 31, 2002 |
2.93% |
| July 1, 2002 -
September 30, 2002 |
3.09% |
| April 1,
2002 - June 30, 2002 |
3.11% |
| January
1, 2002 - March 31, 2002 |
3.07% |
| October
2001 - December 31, 2001 |
3.05% |
| July 1, 2001 - September 30, 2001 |
3.16% |
| April 1, 2001 - June 30, 2001 |
3.08% |
| January 1, 2001
- March 31, 2001 |
3.27% |
| October 1, 2000
- December 31, 2000 |
3.33% |
| July 1, 2000 - September 30, 2000 |
3.52% |
| April 1, 2000 - June 30, 2000 |
3.57% |
| January 1, 2000
- March 31, 2000 |
3.55% |
| October 1, 1999
- December 31, 1999 |
3.34% |
| July 1, 1999 - September 30, 1999 |
3.12% |
| April 1, 1999 - June 30, 1999 |
3.03% |
| January 1, 1999
- March 31, 1999 |
2.99% |
| October 1, 1998
- December 31, 1998 |
3.05% |