| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 18 |
20.2%
|
| 2 | February | 2 |
2.2%
|
| 3 | March | 4 |
4.5%
|
| 4 | April | 7 |
7.9%
|
| 5 | May | 8 |
9%
|
| 6 | June | 15 |
16.9%
|
| 7 | July | 7 |
7.9%
|
| 8 | August | 12 |
13.5%
|
| 9 | September | 3 |
3.4%
|
| 10 | October | 7 |
7.9%
|
| 11 | November | 5 |
5.6%
|
| 12 | December | 1 |
1.1%
|
| Sysmiss | 9771 |