| Value | Category | Cases | |
|---|---|---|---|
| 1986 | 1 |
0.1%
|
|
| 1987 | 1 |
0.1%
|
|
| 1988 | 1 |
0.1%
|
|
| 1990 | 1 |
0.1%
|
|
| 1991 | 1 |
0.1%
|
|
| 1992 | 1 |
0.1%
|
|
| 1993 | 1 |
0.1%
|
|
| 1994 | 4 |
0.6%
|
|
| 1995 | 5 |
0.7%
|
|
| 1996 | 5 |
0.7%
|
|
| 1997 | 8 |
1.1%
|
|
| 1998 | 4 |
0.6%
|
|
| 1999 | 9 |
1.2%
|
|
| 2000 | 16 |
2.2%
|
|
| 2001 | 16 |
2.2%
|
|
| 2002 | 12 |
1.7%
|
|
| 2003 | 16 |
2.2%
|
|
| 2004 | 23 |
3.2%
|
|
| 2005 | 22 |
3%
|
|
| 2006 | 22 |
3%
|
|
| 2007 | 33 |
4.5%
|
|
| 2008 | 43 |
5.9%
|
|
| 2009 | 30 |
4.1%
|
|
| 2010 | 63 |
8.7%
|
|
| 2011 | 63 |
8.7%
|
|
| 2012 | 95 |
13.1%
|
|
| 2013 | 116 |
16%
|
|
| 2014 | 82 |
11.3%
|
|
| 2015 | 32 |
4.4%
|
|
| Sysmiss | 5452 |