| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 263 | 245 |
18.3%
|
| 1998 | 3 | 4 |
0.3%
|
|
| 1999 | 100 | 97 |
7.3%
|
|
| 2000 | 130 | 135 |
10.1%
|
|
| 2001 | 238 | 235 |
17.5%
|
|
| 2002 | 339 | 332 |
24.7%
|
|
| 2003 | 170 | 165 |
12.3%
|
|
| 4444 | marked on card | 42 | 51 |
3.8%
|
| 6666 | mother reported | 82 | 77 |
5.7%
|
| 9996 | not consistent with other card | 1 | 0 |
0%
|
| 9997 | inconsistent | 0 | 0 |
0%
|
| 9998 | dk | 0 | 0 |
0%
|
| 9999 | missing | 0 | 0 |
0%
|
| Sysmiss | 1925 | 1952 |