| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 769 |
56.9%
|
| 1 | January | 14 |
1%
|
| 2 | February | 8 |
0.6%
|
| 3 | March | 11 |
0.8%
|
| 4 | April | 21 |
1.6%
|
| 5 | May | 12 |
0.9%
|
| 6 | June | 23 |
1.7%
|
| 7 | July | 44 |
3.3%
|
| 8 | August | 22 |
1.6%
|
| 9 | September | 29 |
2.1%
|
| 10 | October | 21 |
1.6%
|
| 11 | November | 10 |
0.7%
|
| 12 | December | 19 |
1.4%
|
| 44 | Marked on card | 4 |
0.3%
|
| Sysmiss | 344 |
25.5%
|