| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 299 |
3.9%
|
| 1 | January | 526 |
6.9%
|
| 2 | February | 482 |
6.3%
|
| 3 | March | 525 |
6.8%
|
| 4 | April | 493 |
6.4%
|
| 5 | May | 517 |
6.7%
|
| 6 | June | 544 |
7.1%
|
| 7 | July | 522 |
6.8%
|
| 8 | August | 544 |
7.1%
|
| 9 | September | 545 |
7.1%
|
| 10 | October | 589 |
7.7%
|
| 11 | November | 588 |
7.7%
|
| 12 | December | 485 |
6.3%
|
| 44 | Marked on card | 21 |
0.3%
|
| 66 | Mother reported | 1 |
0%
|
| Sysmiss | 993 |
12.9%
|