| 30% | 70% | |
| January | 3.64% |
8.48% |
| February | 3.67% |
8.57% |
| March | 3.68% |
8.59% |
| April | 3.66% |
8.55% |
| May | 3.63% |
8.48% |
| June | 3.65% |
8.53% |
| July | 3.66% |
8.53% |
| August | 3.63% |
8.47% |
| September | 3.62% |
8.44% |
| October | 3.60% |
8.41% |
| November | 3.61% |
8.42% |
| December | 3.59% |
8.39% |