| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 5833 |
76%
|
| 1 | January | 55 |
0.7%
|
| 2 | February | 41 |
0.5%
|
| 3 | March | 57 |
0.7%
|
| 4 | April | 56 |
0.7%
|
| 5 | May | 79 |
1%
|
| 6 | June | 80 |
1%
|
| 7 | July | 67 |
0.9%
|
| 8 | August | 72 |
0.9%
|
| 9 | September | 95 |
1.2%
|
| 10 | October | 84 |
1.1%
|
| 11 | November | 76 |
1%
|
| 12 | December | 58 |
0.8%
|
| 44 | Marked on card | 28 |
0.4%
|
| Sysmiss | 993 |
12.9%
|