| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 10 | 9 |
3%
|
| 1998 | 9 | 9 |
2.9%
|
|
| 1999 | 101 | 92 |
29%
|
|
| 2000 | 113 | 98 |
31%
|
|
| 2001 | 60 | 62 |
19.6%
|
|
| 2002 | 14 | 11 |
3.5%
|
|
| 2003 | 1 | 2 |
0.8%
|
|
| 4444 | marked on card | 21 | 24 |
7.6%
|
| 6666 | mother reported | 9 | 7 |
2.2%
|
| 9996 | not consistent with the other card | 2 | 1 |
0.4%
|
| 9997 | inconsistent | 0 | 0 |
0%
|
| 9998 | dk | 0 | 0 |
0%
|
| 9999 | missing | 0 | 0 |
0%
|
| Sysmiss | 2953 | 2976 |