| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 0 |
0%
|
| 2013 | 2 |
0.1%
|
|
| 2014 | 676 |
18.1%
|
|
| 2015 | 1497 |
40.1%
|
|
| 2016 | 1543 |
41.4%
|
|
| 4444 | Marked on card | 0 |
0%
|
| 6666 | Mother reported | 0 |
0%
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | DK | 11 |
0.3%
|
| 9999 | Missing | 2 |
0.1%
|
| Sysmiss | 25604 |