| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 5 | 5 |
1.1%
|
| 1998 | 49 | 46 |
10.2%
|
|
| 1999 | 156 | 154 |
34.2%
|
|
| 2000 | 134 | 121 |
27%
|
|
| 2001 | 69 | 56 |
12.5%
|
|
| 2002 | 14 | 13 |
3%
|
|
| 2003 | 3 | 2 |
0.5%
|
|
| 4444 | marked on card | 21 | 21 |
4.6%
|
| 6666 | mother reported | 39 | 31 |
6.9%
|
| 9996 | not consistent with other card | 0 | 0 |
0%
|
| 9997 | inconsistent | 0 | 0 |
0%
|
| 9998 | dk | 0 | 0 |
0%
|
| 9999 | missing | 0 | 0 |
0%
|
| Sysmiss | 2803 | 2844 |