| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 24 | 20 |
4.5%
|
| 1998 | 8 | 9 |
2.1%
|
|
| 1999 | 118 | 114 |
25.5%
|
|
| 2000 | 106 | 85 |
18.9%
|
|
| 2001 | 78 | 69 |
15.3%
|
|
| 2002 | 15 | 13 |
3%
|
|
| 2003 | 2 | 3 |
0.8%
|
|
| 4444 | marked on card | 101 | 104 |
23.2%
|
| 6666 | mother reported | 38 | 30 |
6.7%
|
| 9996 | not consistent with the other card | 0 | 0 |
0%
|
| 9997 | inconsistent | 0 | 0 |
0%
|
| 9998 | dk | 0 | 0 |
0%
|
| 9999 | missing | 0 | 0 |
0%
|
| Sysmiss | 2803 | 2844 |