2006
| Year | End of Month | US 90-Day Treasury Bill |
| 2006 | January | 4.200% |
| 2006 | February | 4.410% |
| 2006 | March | 4.510% |
| 2006 | April | 4.590% |
| 2006 | May | 4.720% |
| 2006 | June | 4.790% |
| 2006 | July | 4.960% |
|
2006 2006 2006 2006 2006 |
August September October November December |
4.980% 4.850% 4.890% 4.960% 4.860% |
