| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 8 |
8.2%
|
| 2 | February | 6 |
6.1%
|
| 3 | March | 6 |
6.1%
|
| 4 | April | 4 |
4.1%
|
| 5 | May | 9 |
9.2%
|
| 6 | June | 5 |
5.1%
|
| 7 | July | 3 |
3.1%
|
| 8 | August | 14 |
14.3%
|
| 9 | September | 8 |
8.2%
|
| 10 | October | 8 |
8.2%
|
| 11 | November | 18 |
18.4%
|
| 12 | December | 9 |
9.2%
|
| Sysmiss | 827 |