| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 10 |
10.1%
|
| 2 | February | 4 |
4%
|
| 3 | March | 6 |
6.1%
|
| 4 | April | 7 |
7.1%
|
| 5 | May | 3 |
3%
|
| 6 | June | 4 |
4%
|
| 7 | July | 4 |
4%
|
| 8 | August | 9 |
9.1%
|
| 9 | September | 12 |
12.1%
|
| 10 | October | 6 |
6.1%
|
| 11 | November | 9 |
9.1%
|
| 12 | December | 25 |
25.3%
|
| Sysmiss | 291 |