| Value | Category | Cases | |
|---|---|---|---|
| 99 | ND | 0 |
0%
|
| 1995 | 1 |
16.7%
|
|
| 1998 | 1 |
16.7%
|
|
| 2007 | 1 |
16.7%
|
|
| 2011 | 1 |
16.7%
|
|
| 2012 | 1 |
16.7%
|
|
| 2013 | 1 |
16.7%
|
|
| Sysmiss | 1494 |