| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 2 | 1 |
2.2%
|
| 1999 | 14 | 12 |
36.1%
|
|
| 2000 | 15 | 14 |
39.6%
|
|
| 2001 | 4 | 4 |
10.2%
|
|
| 2002 | 1 | 1 |
1.7%
|
|
| 4444 | marked on card | 2 | 2 |
5.8%
|
| 6666 | mother reported | 3 | 2 |
4.5%
|
| 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 | 3252 | 3259 |