| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 362 | 396 |
42.6%
|
| 1998 | 16 | 14 |
1.5%
|
|
| 1999 | 30 | 22 |
2.4%
|
|
| 2000 | 61 | 58 |
6.2%
|
|
| 2001 | 58 | 60 |
6.4%
|
|
| 2002 | 75 | 69 |
7.4%
|
|
| 2003 | 35 | 31 |
3.3%
|
|
| 4444 | marked on card | 75 | 69 |
7.4%
|
| 6666 | mother reported | 191 | 210 |
22.6%
|
| 9996 | not consistent with the other card | 1 | 1 |
0.1%
|
| 9997 | inconsistent | 0 | 0 |
0%
|
| 9998 | dk | 0 | 0 |
0%
|
| 9999 | missing | 0 | 0 |
0%
|
| Sysmiss | 2389 | 2363 |