| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 63 |
6.3%
|
| 2 | February | 62 |
6.2%
|
| 3 | March | 82 |
8.2%
|
| 4 | April | 65 |
6.5%
|
| 5 | May | 77 |
7.7%
|
| 6 | June | 71 |
7.1%
|
| 7 | July | 67 |
6.7%
|
| 8 | August | 87 |
8.7%
|
| 9 | September | 89 |
8.9%
|
| 10 | October | 84 |
8.4%
|
| 11 | November | 98 |
9.8%
|
| 12 | December | 137 |
13.7%
|
| 99 | Unspecified | 18 |
1.8%
|