| Jan | Feb | March | April | May | June | July | Aug | Sept | Oct | Nov | Dec |
| 1 | 141.7 | 52.5 | 64.5 | 31.0 | 23.2 | 127.7 | 40.9 | | | | | |
| 2 | 63.5 | 96.4 | 268.6 | 52.6 | 34.3 | 170.4 | 28.0 | | | | | |
| 3 | 134.4 | 54.6 | 328.6 | 56.4 | 35.7 | 75.1 | 45.1 | | | | | |
| 4 | 159.0 | 142.2 | 188.7 | 63.4 | 33.1 | 88.5 | 104.3 | | | | | |
| 5 | 68.4 | 59.7 | 54.7 | 35.7 | 33.1 | 133.3 | 117.1 | | | | | |
| 6 | 56.8 | 59.2 | 107.1 | 33.7 | 46.7 | 67.7 | 21.2 | | | | | |
| 7 | 52.7 | 36.4 | 141.0 | 2.5 | 100.5 | 50.9 | 27.7 | | | | | |
| 8 | 50.4 | 78.6 | 37.3 | 35.7 | 227.6 | 82.7 | 124.3 | | | | | |
| 9 | 70.8 | 51.2 | 40.8 | 48.7 | 132.5 | 281.1 | 445.1 | | | | | |
| 10 | 58.3 | 63.1 | 60.6 | 30.4 | 68.4 | 205.6 | 230.3 | | | | | |
| 11 | 176.1 | 47.8 | 42.0 | 80.2 | 125.8 | 93.4 | 126.7 | | | | | |
| 12 | 84.6 | 31.6 | 57.6 | 194.7 | 61.2 | 59.6 | 32.3 | | | | | |
| 13 | 130.9 | 53.6 | 82.3 | 119.4 | 124.6 | 27.6 | 50.0 | | | | | |
| 14 | 147.3 | 84.1 | 105.1 | 64.1 | 155.3 | 118.1 | 77.3 | | | | | |
| 15 | 31.4 | 229.2 | 56.0 | 77.3 | 91.8 | 69.0 | 99.8 | | | | | |
| 16 | 118.1 | 161.6 | 72.7 | 98.8 | 140.3 | 37.3 | | | | | | |
| 17 | 127.6 | 37.0 | 55.3 | 52.9 | 106.8 | 45.4 | | | | | | |
| 18 | 161.9 | 29.8 | 52.3 | 199.1 | 86.6 | 43.1 | | | | | | |
| 19 | 292.6 | 83.1 | 153.2 | 96.1 | 13.8 | 101.6 | | | | | | |
| 20 | 152.8 | 62.3 | 237.0 | 37.5 | 45.8 | 161.6 | | | | | | |
| 21 | 19.1 | 62.4 | 52.2 | 123.4 | 56.5 | 59.8 | | | | | | |
| 22 | 65.3 | 52.7 | 41.1 | 332.4 | 301.6 | 87.4 | | | | | | |
| 23 | 129.2 | 81.7 | 153.2 | 104.1 | 51.9 | 23.5 | | | | | | |
| 24 | 137.9 | 85.2 | 60.6 | 33.7 | 60.2 | 52.1 | | | | | | |
| 25 | 118.3 | 68.6 | 34.4 | 49.0 | 54.1 | 158.2 | | | | | | |
| 26 | 72.7 | 85.5 | 79.0 | 66.0 | 85.0 | 259.2 | | | | | | |
| 27 | 63.9 | 102.9 | 127.7 | 18.8 | 35.0 | 91.1 | | | | | | |
| 28 | 54.7 | 50.8 | 37.7 | 55.2 | 34.3 | 119.7 | | | | | | |
| 29 | 68.0 | | 30.7 | 59.2 | 19.9 | 239.4 | | | | | | |
| 30 | 67.7 | | 35.6 | 128.7 | 55.5 | 57.8 | | | | | | |
| 31 | 55.0 | | 136.3 | | 105.1 | | | | | | | |
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