| Value | Category | Cases | |
|---|---|---|---|
| 2013 | 330 |
11.2%
|
|
| 2014 | 1213 |
41.3%
|
|
| 2015 | 1378 |
46.9%
|
|
| 2016 | 15 |
0.5%
|
|
| 9997 | Inconsistent | 2 |
0.1%
|
| 9998 | Don't know | 0 |
0%
|
| Sysmiss | 34231 |