| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 8109 |
79.3%
|
| 1 | 13 |
0.1%
|
|
| 2 | 12 |
0.1%
|
|
| 3 | 14 |
0.1%
|
|
| 4 | 16 |
0.2%
|
|
| 5 | 21 |
0.2%
|
|
| 6 | 25 |
0.2%
|
|
| 7 | 10 |
0.1%
|
|
| 8 | 20 |
0.2%
|
|
| 9 | 22 |
0.2%
|
|
| 10 | 13 |
0.1%
|
|
| 11 | 22 |
0.2%
|
|
| 12 | 16 |
0.2%
|
|
| 13 | 17 |
0.2%
|
|
| 14 | 17 |
0.2%
|
|
| 15 | 20 |
0.2%
|
|
| 16 | 16 |
0.2%
|
|
| 17 | 11 |
0.1%
|
|
| 18 | 19 |
0.2%
|
|
| 19 | 11 |
0.1%
|
|
| 20 | 20 |
0.2%
|
|
| 21 | 14 |
0.1%
|
|
| 22 | 18 |
0.2%
|
|
| 23 | 18 |
0.2%
|
|
| 24 | 22 |
0.2%
|
|
| 25 | 15 |
0.1%
|
|
| 26 | 17 |
0.2%
|
|
| 27 | 8 |
0.1%
|
|
| 28 | 18 |
0.2%
|
|
| 29 | 12 |
0.1%
|
|
| 30 | 13 |
0.1%
|
|
| 31 | 2 |
0%
|
|
| 44 | Marked on card - no date given | 91 |
0.9%
|
| 66 | Reported by mother | 93 |
0.9%
|
| 99 | Missing | 1443 |
14.1%
|
| Sysmiss | 4016 |