| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | not given | 4 | 4 |
9%
|
| 1998 | 2 | 1 |
1.4%
|
|
| 1999 | 25 | 20 |
44%
|
|
| 2000 | 11 | 9 |
19.3%
|
|
| 2001 | 5 | 4 |
9.4%
|
|
| 2002 | 1 | 1 |
1.3%
|
|
| 4444 | marked on card | 1 | 0 |
0.5%
|
| 6666 | mother reported | 9 | 7 |
15.2%
|
| 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 | 3235 | 3247 |