| Value | Category | Cases | |
|---|---|---|---|
| 1 | january | 19 |
5.2%
|
| 2 | february | 18 |
5%
|
| 3 | march | 20 |
5.5%
|
| 4 | april | 26 |
7.2%
|
| 5 | may | 41 |
11.3%
|
| 6 | june | 48 |
13.2%
|
| 7 | july | 46 |
12.7%
|
| 8 | august | 30 |
8.3%
|
| 9 | september | 39 |
10.7%
|
| 10 | october | 32 |
8.8%
|
| 11 | november | 15 |
4.1%
|
| 12 | december | 17 |
4.7%
|
| 99 | 12 |
3.3%
|
|
| Sysmiss | 9804 |