| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 4143 |
54%
|
| 1 | January | 211 |
2.7%
|
| 2 | February | 191 |
2.5%
|
| 3 | March | 185 |
2.4%
|
| 4 | April | 194 |
2.5%
|
| 5 | May | 199 |
2.6%
|
| 6 | June | 199 |
2.6%
|
| 7 | July | 193 |
2.5%
|
| 8 | August | 216 |
2.8%
|
| 9 | September | 243 |
3.2%
|
| 10 | October | 251 |
3.3%
|
| 11 | November | 236 |
3.1%
|
| 12 | December | 189 |
2.5%
|
| 44 | Marked on card | 28 |
0.4%
|
| 98 | DK | 2 |
0%
|
| 99 | Missing | 1 |
0%
|
| Sysmiss | 993 |
12.9%
|