| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
1 | 0.0 | 0.0 | 9.6 | 25.8 | 14.8 | | | | | | | |
2 | 1.6 | 0.2 | 5.8 | 1.2 | 47.2 | | | | | | | |
3 | 8.0 | 0.0 | 16.2 | 0.0 | 8.0 | | | | | | | |
4 | 0.0 | 0.0 | 3.6 | 0.0 | 0.0 | | | | | | | |
5 | 24.6 | 0.0 | 0.0 | 0.0 | 0.0 | | | | | | | |
6 | 7.4 | 0.4 | 2.4 | 0.0 | | | | | | | | |
7 | 2.8 | 0.4 | 0.0 | 0.0 | | | | | | | | |
8 | 0.0 | 8.6 | 6.4 | 0.0 | | | | | | | | |
9 | 0.0 | 12.6 | 0.6 | 1.4 | | | | | | | | |
10 | 0.0 | 33.2 | 31.4 | 7.8 | | | | | | | | |
11 | 0.0 | 0.6 | 0.2 | 0.6 | | | | | | | | |
12 | 0.0 | 0.0 | 0.0 | 0.0 | | | | | | | | |
13 | 0.0 | 0.0 | 0.0 | 0.0 | | | | | | | | |
14 | 0.8 | 0.2 | 0.0 | 0.0 | | | | | | | | |
15 | 0.8 | 0.2 | 0.4 | 0.0 | | | | | | | | |
16 | 0.2 | 0.0 | 1.2 | 0.0 | | | | | | | | |
17 | 24.4 | 0.0 | 0.2 | 0.0 | | | | | | | | |
18 | 2.2 | 0.0 | 2.8 | 3.2 | | | | | | | | |
19 | 0.0 | 0.0 | 0.0 | 0.0 | | | | | | | | |
20 | 0.0 | 0.0 | 0.2 | 0.0 | | | | | | | | |
21 | 0.0 | 0.0 | 0.0 | 7.4 | | | | | | | | |
22 | 4.4 | 2.6 | 0.0 | 7.6 | | | | | | | | |
23 | 1.8 | 25.8 | 1.0 | 3.6 | | | | | | | | |
24 | 0.2 | 2.4 | 0.0 | 0.0 | | | | | | | | |
25 | 0.0 | 2.6 | 0.0 | 0.0 | | | | | | | | |
26 | 0.0 | 26.0 | 0.4 | 0.0 | | | | | | | | |
27 | 0.0 | 39.4 | 25.6 | 0.0 | | | | | | | | |
28 | 0.0 | 0.0 | 19.2 | 0.0 | | | | | | | | |
29 | 0.0 | 0.0 | 0.0 | 0.0 | | | | | | | | |
30 | 0.2 | | 14.8 | 0.4 | | | | | | | | |
31 | 0.2 | | 1.0 | | | | | | | | | |