| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 7 |
0.5%
|
| 1 | January | 78 |
5.8%
|
| 2 | February | 68 |
5%
|
| 3 | March | 69 |
5.1%
|
| 4 | April | 72 |
5.3%
|
| 5 | May | 77 |
5.7%
|
| 6 | June | 85 |
6.3%
|
| 7 | July | 93 |
6.9%
|
| 8 | August | 82 |
6.1%
|
| 9 | September | 103 |
7.6%
|
| 10 | October | 89 |
6.6%
|
| 11 | November | 92 |
6.8%
|
| 12 | December | 88 |
6.5%
|
| 44 | Marked on card | 4 |
0.3%
|
| Sysmiss | 344 |
25.5%
|