Date |
Changes |
May 18, 2012 |
-0.5 of a percentage point |
February 24, 2012 |
-0.5 of a percentage point |
December 5, 2011 |
-0.5 of a percentage point |
June 20, 2011 |
+0.5 of a percentage point |
May 18, 2011 |
+0.5 of a percentage point |
April 21, 2011 |
+0.5 of a percentage point |
March 25, 2011 |
+0.5 of a percentage point |
February 24, 2011 |
+0.5 of a percentage point |
January 20, 2011 |
+0.5 of a percentage point |
December 20, 2010 |
+0.5 of a percentage point |
November 29, 2010 |
+0.5 of a percentage point |
November 29, 2010 |
+0.5 of a percentage point |
May 10, 2010 |
+0.5 of a percentage point |
February 25, 2010 |
+0.5 of a percentage point |
January 18, 2010 |
+0.5 of a percentage point |