| January | February | March | April | May | June | July | August | September | October | November | December |
FY |
|
| 2007 | n/a | n/a | n/a | 4.86% | 4.89% | 4.67% | 4.55% | 4.55% | 4.51% | 4.38% | 4.08% | 4.44% | N/A |
| 2008 | 4.2% | 3.17% | 2.94% | 2.66% | 2.4% | 1.92% | 2.14% | 2.13% | 2.53% | 2.72% | 1.44% | 1.15% | N/A |
| 2009 | 1.3% | 1.44% | 0.89% | 0.96% | 0.75% | 0.59% | 0.54% | 0.59% | 0.32% | 0.40% | 0.38% | 0.36% | N/A |
| 2010 | 0.43% | 0.52% | 0.47% | 0.42% | 0.47% | 0.57% | 0.56% | 0.53% | 0.57% | 0.40% | 0.27% | 0.32% | 0.29% |
| 2011 | 0.20% | 0.16% |
*Returns are annualized