| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 13 |
17.1%
|
| 2 | February | 9 |
11.8%
|
| 3 | March | 3 |
3.9%
|
| 4 | April | 2 |
2.6%
|
| 5 | May | 2 |
2.6%
|
| 6 | June | 7 |
9.2%
|
| 7 | July | 5 |
6.6%
|
| 8 | August | 3 |
3.9%
|
| 9 | September | 3 |
3.9%
|
| 10 | October | 2 |
2.6%
|
| 11 | November | 8 |
10.5%
|
| 12 | December | 19 |
25%
|
| Sysmiss | 677 |