| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 713 | 775 |
83.3%
|
| 1998 | 1 | 1 |
0.1%
|
|
| 2000 | 9 | 3 |
0.4%
|
|
| 2001 | 21 | 15 |
1.7%
|
|
| 2002 | 41 | 26 |
2.8%
|
|
| 2003 | 25 | 21 |
2.2%
|
|
| 4444 | marked on card | 18 | 19 |
2%
|
| 6666 | mother reported | 74 | 66 |
7.2%
|
| 9996 | not consistent with the other card | 0 | 0 |
0%
|
| 9997 | inconsistent | 2 | 3 |
0.4%
|
| 9998 | dk | 0 | 0 |
0%
|
| 9999 | missing | 0 | 0 |
0%
|
| Sysmiss | 2389 | 2363 |