| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 19 | 17 |
3.7%
|
| 1998 | 27 | 25 |
5.6%
|
|
| 1999 | 123 | 120 |
26.7%
|
|
| 2000 | 107 | 94 |
20.9%
|
|
| 2001 | 65 | 55 |
12.3%
|
|
| 2002 | 15 | 15 |
3.3%
|
|
| 2003 | 3 | 2 |
0.5%
|
|
| 4444 | marked on card | 93 | 94 |
21%
|
| 6666 | mother reported | 38 | 28 |
6.2%
|
| 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 |