| Value | Category | Cases | |
|---|---|---|---|
| 1990 | 1 |
5.6%
|
|
| 1992 | 1 |
5.6%
|
|
| 1993 | 1 |
5.6%
|
|
| 1994 | 1 |
5.6%
|
|
| 2005 | 1 |
5.6%
|
|
| 2007 | 1 |
5.6%
|
|
| 2008 | 1 |
5.6%
|
|
| 2009 | 1 |
5.6%
|
|
| 2011 | 2 |
11.1%
|
|
| 2012 | 1 |
5.6%
|
|
| 2014 | 1 |
5.6%
|
|
| 2015 | 2 |
11.1%
|
|
| 2016 | 2 |
11.1%
|
|
| 2017 | 1 |
5.6%
|
|
| 2018 | 1 |
5.6%
|
|
| Sysmiss | 2620 |