| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 37 | 31 |
6.9%
|
| 1998 | 2 | 3 |
0.6%
|
|
| 1999 | 88 | 88 |
19.7%
|
|
| 2000 | 110 | 93 |
20.8%
|
|
| 2001 | 82 | 70 |
15.6%
|
|
| 2002 | 21 | 18 |
4%
|
|
| 2003 | 2 | 1 |
0.3%
|
|
| 4444 | marked on card | 102 | 106 |
23.6%
|
| 6666 | mother reported | 46 | 38 |
8.5%
|
| 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 | 2803 | 2844 |