| Value | Category | Cases | |
|---|---|---|---|
| 2004 | 2 |
2.9%
|
|
| 2006 | 1 |
1.5%
|
|
| 2007 | 1 |
1.5%
|
|
| 2009 | 1 |
1.5%
|
|
| 2010 | 1 |
1.5%
|
|
| 2013 | 2 |
2.9%
|
|
| 2014 | 60 |
88.2%
|
|
| Sysmiss | 16362 |