| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 143 | 134 |
10%
|
| 1998 | 32 | 31 |
2.3%
|
|
| 1999 | 90 | 83 |
6.2%
|
|
| 2000 | 117 | 121 |
9.1%
|
|
| 2001 | 196 | 199 |
14.9%
|
|
| 2002 | 291 | 273 |
20.3%
|
|
| 2003 | 136 | 122 |
9.1%
|
|
| 4444 | marked on card | 288 | 310 |
23.1%
|
| 6666 | mother reported | 75 | 68 |
5%
|
| 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 | 1925 | 1952 |