| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 309 | 294 |
92.7%
|
| 1998 | 1 | 1 |
0.2%
|
|
| 1999 | 4 | 5 |
1.5%
|
|
| 2000 | 7 | 7 |
2.1%
|
|
| 2001 | 11 | 6 |
1.8%
|
|
| 2002 | 8 | 6 |
1.8%
|
|
| 4444 | marked on card | 0 | 0 |
0%
|
| 6666 | mother reported | 0 | 0 |
0%
|
| 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 | 2953 | 2976 |