| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 3 |
0.2%
|
| 1 | January | 75 |
5.6%
|
| 2 | February | 70 |
5.2%
|
| 3 | March | 67 |
5%
|
| 4 | April | 73 |
5.4%
|
| 5 | May | 75 |
5.6%
|
| 6 | June | 86 |
6.4%
|
| 7 | July | 94 |
7%
|
| 8 | August | 82 |
6.1%
|
| 9 | September | 103 |
7.6%
|
| 10 | October | 89 |
6.6%
|
| 11 | November | 94 |
7%
|
| 12 | December | 89 |
6.6%
|
| 44 | Marked on card | 7 |
0.5%
|
| Sysmiss | 344 |
25.5%
|