| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 1015 |
13.2%
|
| 1 | January | 511 |
6.7%
|
| 2 | February | 412 |
5.4%
|
| 3 | March | 468 |
6.1%
|
| 4 | April | 433 |
5.6%
|
| 5 | May | 523 |
6.8%
|
| 6 | June | 467 |
6.1%
|
| 7 | July | 479 |
6.2%
|
| 8 | August | 449 |
5.9%
|
| 9 | September | 497 |
6.5%
|
| 10 | October | 505 |
6.6%
|
| 11 | November | 473 |
6.2%
|
| 12 | December | 427 |
5.6%
|
| 44 | Marked on card | 19 |
0.2%
|
| 66 | Mother reported | 1 |
0%
|
| 98 | DK | 2 |
0%
|
| Sysmiss | 993 |
12.9%
|