| Value | Category | Cases | |
|---|---|---|---|
| 1982 | 1 |
0.9%
|
|
| 1992 | 1 |
0.9%
|
|
| 1994 | 1 |
0.9%
|
|
| 1996 | 1 |
0.9%
|
|
| 2000 | 3 |
2.6%
|
|
| 2002 | 1 |
0.9%
|
|
| 2003 | 3 |
2.6%
|
|
| 2005 | 2 |
1.7%
|
|
| 2006 | 1 |
0.9%
|
|
| 2007 | 1 |
0.9%
|
|
| 2008 | 2 |
1.7%
|
|
| 2009 | 1 |
0.9%
|
|
| 2010 | 9 |
7.8%
|
|
| 2011 | 4 |
3.4%
|
|
| 2012 | 4 |
3.4%
|
|
| 2013 | 9 |
7.8%
|
|
| 2014 | 16 |
13.8%
|
|
| 2015 | 28 |
24.1%
|
|
| 2016 | 28 |
24.1%
|
|
| Sysmiss | 3999 |