| Jan | Feb | March | April | May | June | July | Aug | Sept | Oct | Nov | Dec |
|---|
| 1 | 19.3 | 22.1 | 21.6 | 23.2 | 21.6 | 20.7 | 15.8 | 18.2 | 18.2 | 21.0 | 28.0 | 18.0 |
|---|
| 2 | 21.1 | 32.8 | 24.4 | 27.5 | 24.7 | 22.3 | 16.6 | 15.8 | 17.5 | 23.4 | 29.8 | 23.5 |
|---|
| 3 | 23.2 | 31.3 | 26.4 | 19.8 | 21.7 | 16.8 | 16.2 | 10.6 | 15.0 | 15.0 | 22.7 | 23.0 |
|---|
| 4 | 23.2 | 31.9 | 24.2 | 17.7 | 23.5 | 16.7 | 17.5 | 14.3 | 13.5 | 19.4 | 24.9 | 17.9 |
|---|
| 5 | 22.6 | 33.4 | 19.7 | 24.7 | 23.9 | 15.0 | 19.5 | 12.4 | 19.0 | 20.4 | 23.5 | 16.9 |
|---|
| 6 | 25.0 | 30.7 | 17.7 | 20.7 | 22.8 | 15.1 | 15.4 | 14.5 | 22.0 | 22.3 | 18.1 | 18.5 |
|---|
| 7 | 20.5 | 26.3 | 20.8 | 19.0 | 21.7 | 14.9 | 14.4 | 17.0 | 19.6 | 24.4 | 19.8 | 22.6 |
|---|
| 8 | 21.2 | 27.4 | 24.3 | 15.8 | 23.1 | 16.6 | 16.8 | 14.7 | 15.9 | 12.2 | 15.4 | 20.0 |
|---|
| 9 | 20.9 | 22.8 | 28.4 | 18.8 | 20.8 | 16.0 | 13.3 | 12.8 | 14.4 | 18.7 | 18.3 | 27.1 |
|---|
| 10 | 18.7 | 21.3 | 25.1 | 26.4 | 23.1 | 15.3 | 15.3 | 14.0 | 21.6 | 22.1 | 16.1 | 23.9 |
|---|
| 11 | 29.2 | 22.1 | 21.8 | 24.9 | 15.6 | 12.9 | 14.0 | 12.1 | 21.1 | 19.5 | 18.9 | 21.8 |
|---|
| 12 | 19.3 | 20.6 | 23.7 | 23.7 | 15.4 | 14.8 | 17.0 | 14.2 | 20.1 | 18.3 | 22.0 | 21.0 |
|---|
| 13 | 19.0 | 17.9 | 23.5 | 20.4 | 15.9 | 14.2 | 17.3 | 18.2 | 19.5 | 24.9 | 26.5 | 20.4 |
|---|
| 14 | 20.9 | 19.8 | 20.0 | 19.7 | 19.0 | 16.5 | 20.1 | 18.1 | 22.2 | 22.7 | 23.0 | 25.7 |
|---|
| 15 | 21.3 | 22.0 | 20.8 | 19.6 | 17.7 | 14.7 | 18.4 | 16.7 | 21.9 | 22.5 | 27.7 | 30.6 |
|---|
| 16 | 23.8 | 21.0 | 25.8 | 21.0 | 15.2 | 12.3 | 18.8 | 17.6 | 21.1 | 22.4 | 26.2 | 31.7 |
|---|
| 17 | 25.3 | 20.4 | 28.6 | 19.5 | 19.4 | 14.2 | 15.2 | 14.0 | 23.3 | 24.5 | 26.2 | 29.4 |
|---|
| 18 | 21.3 | 20.4 | 23.2 | 23.8 | 16.0 | 13.4 | 19.7 | 16.3 | 24.6 | 25.2 | 19.3 | 28.6 |
|---|
| 19 | 19.0 | 25.0 | 19.4 | 25.9 | 21.1 | 13.4 | 18.6 | 14.8 | 23.6 | 23.5 | 23.3 | 25.5 |
|---|
| 20 | 28.9 | 25.3 | 27.3 | 26.4 | 21.9 | 16.7 | 18.3 | 14.9 | 26.0 | 26.5 | 21.2 | 32.3 |
|---|
| 21 | 24.0 | 29.3 | 22.2 | 24.0 | 19.6 | 14.2 | 13.0 | 14.9 | 29.0 | 22.5 | 18.7 | 33.7 |
|---|
| 22 | 25.8 | 27.9 | 19.1 | 24.3 | 19.9 | 15.0 | 11.2 | 11.4 | 23.4 | 16.4 | 22.4 | 25.0 |
|---|
| 23 | 21.5 | 19.3 | 19.0 | 19.5 | 16.5 | 17.9 | 15.8 | 12.8 | 23.2 | 15.9 | 28.5 | 27.6 |
|---|
| 24 | 21.1 | 20.5 | 18.3 | 15.0 | 15.5 | 15.7 | 12.8 | 12.6 | 16.3 | 23.2 | 18.0 | 32.6 |
|---|
| 25 | 22.3 | 20.4 | 22.8 | 20.4 | 16.2 | 16.3 | 18.2 | 13.0 | 15.2 | 25.1 | 14.1 | 31.9 |
|---|
| 26 | 27.5 | 27.9 | 26.5 | 21.8 | 19.3 | 13.9 | 10.5 | 13.3 | 14.6 | 25.8 | 15.6 | 29.3 |
|---|
| 27 | 24.6 | 18.4 | 24.6 | 16.1 | 18.8 | 16.6 | 14.5 | 19.7 | 18.2 | 22.4 | 19.4 | 21.1 |
|---|
| 28 | 19.8 | 20.6 | 24.5 | 15.9 | 20.5 | 14.8 | 12.1 | 13.1 | 20.8 | 17.0 | 24.8 | 24.6 |
|---|
| 29 | 30.8 | | 15.3 | 16.4 | 19.3 | 17.4 | 13.0 | 15.3 | 20.3 | 18.4 | 19.8 | 29.5 |
|---|
| 30 | 29.3 | | 19.4 | 18.0 | 21.8 | 16.2 | 13.4 | 18.6 | 14.7 | 16.6 | 21.5 | 32.4 |
|---|
| 31 | 24.9 | | 23.0 | | 17.4 | | 17.3 | 15.7 | | 23.8 | | 31.4 |
|---|
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