| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2011 | 1 |
0.1%
|
| 2 | 2010 | 0 |
0%
|
| 3 | 2009 | 0 |
0%
|
| 4 | 2008 | 0 |
0%
|
| 5 | 2012 | 26 |
3.9%
|
| 6 | 2013 | 647 |
96%
|
| Sysmiss | 286 |