| Value | Category | Cases | |
|---|---|---|---|
| 1988 | 1 |
7.1%
|
|
| 1991 | 1 |
7.1%
|
|
| 1997 | 1 |
7.1%
|
|
| 1998 | 1 |
7.1%
|
|
| 1999 | 1 |
7.1%
|
|
| 2003 | 1 |
7.1%
|
|
| 2006 | 1 |
7.1%
|
|
| 2008 | 2 |
14.3%
|
|
| 2010 | 2 |
14.3%
|
|
| 2012 | 1 |
7.1%
|
|
| 2013 | 1 |
7.1%
|
|
| 2017 | 1 |
7.1%
|
|
| Sysmiss | 121676 |