| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not received | 0 |
0%
|
| 2007 | 36 |
8.9%
|
|
| 2008 | 76 |
18.9%
|
|
| 2009 | 86 |
21.3%
|
|
| 2010 | 68 |
16.9%
|
|
| 2011 | 91 |
22.6%
|
|
| 2012 | 43 |
10.7%
|
|
| 4444 | No date recorded | 0 |
0%
|
| 6666 | Mother's report | 3 |
0.7%
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 30 |