| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 686 |
50.8%
|
| 1 | January | 38 |
2.8%
|
| 2 | February | 19 |
1.4%
|
| 3 | March | 16 |
1.2%
|
| 4 | April | 20 |
1.5%
|
| 5 | May | 26 |
1.9%
|
| 6 | June | 22 |
1.6%
|
| 7 | July | 26 |
1.9%
|
| 8 | August | 25 |
1.9%
|
| 9 | September | 34 |
2.5%
|
| 10 | October | 34 |
2.5%
|
| 11 | November | 23 |
1.7%
|
| 12 | December | 28 |
2.1%
|
| 44 | Marked on card | 10 |
0.7%
|
| Sysmiss | 344 |
25.5%
|