| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 192 |
14.2%
|
| 1 | January | 61 |
4.5%
|
| 2 | February | 55 |
4.1%
|
| 3 | March | 68 |
5%
|
| 4 | April | 60 |
4.4%
|
| 5 | May | 72 |
5.3%
|
| 6 | June | 75 |
5.6%
|
| 7 | July | 75 |
5.6%
|
| 8 | August | 81 |
6%
|
| 9 | September | 63 |
4.7%
|
| 10 | October | 77 |
5.7%
|
| 11 | November | 62 |
4.6%
|
| 12 | December | 60 |
4.4%
|
| 44 | Marked on card | 6 |
0.4%
|
| Sysmiss | 344 |
25.5%
|