| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 811 | 873 |
93.9%
|
| 1998 | 2 | 3 |
0.3%
|
|
| 1999 | 3 | 1 |
0.1%
|
|
| 2000 | 7 | 5 |
0.6%
|
|
| 2001 | 20 | 12 |
1.3%
|
|
| 2002 | 32 | 18 |
2%
|
|
| 2003 | 26 | 14 |
1.5%
|
|
| 4444 | marked on card | 2 | 3 |
0.3%
|
| 6666 | mother reported | 0 | 0 |
0%
|
| 9996 | not consistent with the other card | 1 | 0 |
0%
|
| 9997 | inconsistent | 0 | 0 |
0%
|
| 9998 | dk | 0 | 0 |
0%
|
| 9999 | missing | 0 | 0 |
0%
|
| Sysmiss | 2389 | 2363 |