| time | early | mid | late | |||
| Jan | dbc | 4.4 | dbd | 4.2 | dbd | 4.2 |
| Feb | dbd | 4.2 | dbc | 4.4 | dbc | 4.4 |
| Mar | cAc | 6.2 | cAb | 6.4 | cBb | 5.8 |
| Apr | bBA | 7.2 | bCA | 6.6 | ACA | 7.8 |
| May | ADA | 7.2 | BEA | 5.4 | BEA | 5.4 |
| Jun | CEB | 4.0 | CEC | 3.8 | DEC | 2.6 |
| Jul | DED | 2.4 | EEE | 1.0 | EEE | 1.0 |
| Aug | EEE | 1.0 | DED | 2.4 | DED | 2.4 |
| Sep | DEC | 2.6 | CEB | 4.0 | BEB | 5.2 |
| Oct | BDA | 6.0 | ADA | 7.2 | ADA | 7.2 |
| Nov | bCb | 6.4 | cBb | 5.6 | cBc | 5.6 |
| Dec | cBb | 5.8 | dAc | 5.0 | dAc | 5.0 |