| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 7103 |
91.8%
|
| 2002 | 13 |
0.2%
|
|
| 2003 | 31 |
0.4%
|
|
| 2004 | 66 |
0.9%
|
|
| 2005 | 115 |
1.5%
|
|
| 2006 | 314 |
4.1%
|
|
| 2007 | 71 |
0.9%
|
|
| 4444 | Marked on card | 14 |
0.2%
|
| 6666 | Mother reported | 10 |
0.1%
|
| 9997 | Inconsistent | 4 |
0.1%
|
| 9998 | DK | 0 |
0%
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 1054 |