| Value | Category | Cases | |
|---|---|---|---|
| 1 | 16 |
0.2%
|
|
| 2 | 21 |
0.3%
|
|
| 3 | 24 |
0.3%
|
|
| 4 | 107 |
1.4%
|
|
| 5 | 103 |
1.4%
|
|
| 6 | 138 |
1.8%
|
|
| 7 | 128 |
1.7%
|
|
| 8 | 117 |
1.6%
|
|
| 9 | 61 |
0.8%
|
|
| 10 | 43 |
0.6%
|
|
| 11 | 47 |
0.6%
|
|
| 12 | 40 |
0.5%
|
|
| 13 | 44 |
0.6%
|
|
| 14 | 32 |
0.4%
|
|
| 15 | 67 |
0.9%
|
|
| 16 | 65 |
0.9%
|
|
| 17 | 29 |
0.4%
|
|
| 18 | 21 |
0.3%
|
|
| 19 | 37 |
0.5%
|
|
| 20 | 34 |
0.5%
|
|
| 21 | 30 |
0.4%
|
|
| 22 | 22 |
0.3%
|
|
| 23 | 38 |
0.5%
|
|
| 24 | 17 |
0.2%
|
|
| 25 | 33 |
0.4%
|
|
| 26 | 50 |
0.7%
|
|
| 27 | 77 |
1%
|
|
| 28 | 54 |
0.7%
|
|
| 29 | 62 |
0.8%
|
|
| 30 | 44 |
0.6%
|
|
| 31 | 8 |
0.1%
|
|
| 44 | marked on card - no date given | 301 |
4%
|
| 66 | reported by mother | 989 |
13.2%
|
| 98 | dk | 342 |
4.6%
|
| 99 | missing | 1639 |
21.9%
|
| Sysmiss | 2619 |
34.9%
|