| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 1 | 0 |
0.7%
|
| 1998 | 5 | 3 |
9.9%
|
|
| 1999 | 23 | 21 |
61%
|
|
| 2000 | 5 | 4 |
10.7%
|
|
| 2001 | 3 | 2 |
7.1%
|
|
| 2002 | 1 | 1 |
1.7%
|
|
| 4444 | marked on card | 2 | 2 |
5.8%
|
| 6666 | mother reported | 1 | 1 |
3.1%
|
| 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 |