| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2011 | 1 |
0.1%
|
| 2 | 2010 | 0 |
0%
|
| 3 | 2009 | 0 |
0%
|
| 4 | 2012 | 1 |
0.1%
|
| 5 | 2013 | 140 |
18.3%
|
| 6 | 625 |
81.5%
|
|
| Sysmiss | 828 |