| قيمة | فئة | حالات | |
|---|---|---|---|
| 1995 | 1 |
6.7%
|
|
| 1998 | 2 |
13.3%
|
|
| 1999 | 1 |
6.7%
|
|
| 2001 | 2 |
13.3%
|
|
| 2003 | 2 |
13.3%
|
|
| 2004 | 1 |
6.7%
|
|
| 2005 | 1 |
6.7%
|
|
| 2007 | 2 |
13.3%
|
|
| 2010 | 2 |
13.3%
|
|
| 2015 | 1 |
6.7%
|
|
| Sysmiss | 4 |