| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 500 | 482 |
35.9%
|
| 1999 | 67 | 66 |
4.9%
|
|
| 2000 | 109 | 106 |
7.9%
|
|
| 2001 | 193 | 190 |
14.2%
|
|
| 2002 | 267 | 272 |
20.3%
|
|
| 2003 | 139 | 128 |
9.6%
|
|
| 4444 | marked on card | 50 | 57 |
4.3%
|
| 6666 | mother reported | 40 | 35 |
2.6%
|
| 9996 | not consistent with other card | 1 | 1 |
0.1%
|
| 9997 | inconsistent | 2 | 3 |
0.2%
|
| 9998 | dk | 0 | 0 |
0%
|
| 9999 | missing | 0 | 0 |
0%
|
| Sysmiss | 1925 | 1952 |