| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 2508 |
32.4%
|
| 2001 | 3 |
0%
|
|
| 2002 | 433 |
5.6%
|
|
| 2003 | 969 |
12.5%
|
|
| 2004 | 1133 |
14.6%
|
|
| 2005 | 1196 |
15.5%
|
|
| 2006 | 1152 |
14.9%
|
|
| 2007 | 293 |
3.8%
|
|
| 4444 | Marked on card | 46 |
0.6%
|
| 6666 | Mother reported | 0 |
0%
|
| 9997 | Inconsistent | 8 |
0.1%
|
| 9998 | DK | 0 |
0%
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 1054 |