| Value | Category | Cases | |
|---|---|---|---|
| 2006 | in 2006 | 1 |
11.1%
|
| 2007 | in 2007 | 1 |
11.1%
|
| 2008 | in 2008 | 6 |
66.7%
|
| 2009 | in 2009 | 1 |
11.1%
|
| Sysmiss | 1188 |