| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 270 | 252 |
18.8%
|
| 1998 | 3 | 4 |
0.3%
|
|
| 1999 | 100 | 97 |
7.3%
|
|
| 2000 | 126 | 131 |
9.8%
|
|
| 2001 | 237 | 236 |
17.6%
|
|
| 2002 | 335 | 329 |
24.5%
|
|
| 2003 | 166 | 160 |
12%
|
|
| 4444 | marked on card | 44 | 52 |
3.9%
|
| 6666 | mother reported | 85 | 77 |
5.8%
|
| 9996 | not consistent with other card | 2 | 2 |
0.1%
|
| 9997 | inconsistent | 0 | 0 |
0%
|
| 9998 | dk | 0 | 0 |
0%
|
| 9999 | missing | 0 | 0 |
0%
|
| Sysmiss | 1925 | 1952 |