| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 27 | 27 |
8.5%
|
| 1998 | 2 | 2 |
0.5%
|
|
| 1999 | 79 | 73 |
23%
|
|
| 2000 | 111 | 96 |
30.2%
|
|
| 2001 | 68 | 67 |
21.2%
|
|
| 2002 | 14 | 10 |
3.1%
|
|
| 2003 | 2 | 2 |
0.8%
|
|
| 4444 | marked on card | 21 | 26 |
8.2%
|
| 6666 | mother reported | 15 | 11 |
3.6%
|
| 9996 | not consistent with the other card | 1 | 2 |
0.8%
|
| 9997 | inconsistent | 0 | 0 |
0%
|
| 9998 | dk | 0 | 0 |
0%
|
| 9999 | missing | 0 | 0 |
0%
|
| Sysmiss | 2953 | 2976 |