| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 112 | 121 |
13%
|
| 1998 | 13 | 16 |
1.7%
|
|
| 1999 | 61 | 55 |
5.9%
|
|
| 2000 | 109 | 104 |
11.2%
|
|
| 2001 | 170 | 172 |
18.5%
|
|
| 2002 | 238 | 248 |
26.6%
|
|
| 2003 | 124 | 123 |
13.3%
|
|
| 4444 | marked on card | 28 | 33 |
3.5%
|
| 6666 | mother reported | 48 | 56 |
6%
|
| 9996 | not consistent with the other card | 1 | 2 |
0.2%
|
| 9997 | inconsistent | 0 | 0 |
0%
|
| 9998 | dk | 0 | 0 |
0%
|
| 9999 | missing | 0 | 0 |
0%
|
| Sysmiss | 2389 | 2363 |