| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 6 | 7 |
15%
|
| 1998 | 1 | 0 |
0.5%
|
|
| 1999 | 22 | 16 |
34.8%
|
|
| 2000 | 9 | 7 |
15.1%
|
|
| 2001 | 3 | 2 |
5.3%
|
|
| 2002 | 1 | 1 |
1.3%
|
|
| 4444 | marked on card | 8 | 7 |
15.1%
|
| 6666 | mother reported | 8 | 6 |
12.8%
|
| 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 | 3235 | 3247 |