| Value | Category | Cases | |
|---|---|---|---|
| 2005 | 1 |
3.4%
|
|
| 2006 | 2 |
6.9%
|
|
| 2010 | 1 |
3.4%
|
|
| 2012 | 2 |
6.9%
|
|
| 2013 | 2 |
6.9%
|
|
| 2014 | 7 |
24.1%
|
|
| 2015 | 10 |
34.5%
|
|
| 2016 | 4 |
13.8%
|
|
| 9999 | NOT STATED | 0 |
0%
|
| Sysmiss | 4881 |