| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 242 |
3.2%
|
| 1 | January | 527 |
6.9%
|
| 2 | February | 481 |
6.3%
|
| 3 | March | 529 |
6.9%
|
| 4 | April | 491 |
6.4%
|
| 5 | May | 527 |
6.9%
|
| 6 | June | 547 |
7.1%
|
| 7 | July | 511 |
6.7%
|
| 8 | August | 549 |
7.2%
|
| 9 | September | 559 |
7.3%
|
| 10 | October | 593 |
7.7%
|
| 11 | November | 584 |
7.6%
|
| 12 | December | 506 |
6.6%
|
| 44 | Marked on card | 32 |
0.4%
|
| 66 | Mother reported | 3 |
0%
|
| Sysmiss | 993 |
12.9%
|