| Value | Category | Cases | |
|---|---|---|---|
| 1977 | 2 |
0.1%
|
|
| 1986 | 1 |
0.1%
|
|
| 1987 | 2 |
0.1%
|
|
| 1988 | 1 |
0.1%
|
|
| 1990 | 1 |
0.1%
|
|
| 1991 | 6 |
0.4%
|
|
| 1992 | 7 |
0.5%
|
|
| 1993 | 3 |
0.2%
|
|
| 1994 | 8 |
0.6%
|
|
| 1995 | 8 |
0.6%
|
|
| 1996 | 8 |
0.6%
|
|
| 1997 | 18 |
1.3%
|
|
| 1998 | 19 |
1.3%
|
|
| 1999 | 22 |
1.5%
|
|
| 2000 | 34 |
2.4%
|
|
| 2001 | 23 |
1.6%
|
|
| 2002 | 53 |
3.7%
|
|
| 2003 | 23 |
1.6%
|
|
| 2004 | 20 |
1.4%
|
|
| 2005 | 51 |
3.6%
|
|
| 2006 | 46 |
3.2%
|
|
| 2007 | 79 |
5.5%
|
|
| 2008 | 60 |
4.2%
|
|
| 2009 | 62 |
4.3%
|
|
| 2010 | 89 |
6.2%
|
|
| 2011 | 89 |
6.2%
|
|
| 2012 | 105 |
7.3%
|
|
| 2013 | 115 |
8%
|
|
| 2014 | 145 |
10.1%
|
|
| 2015 | 129 |
9%
|
|
| 2016 | 147 |
10.3%
|
|
| 2017 | 55 |
3.8%
|
|
| 9998 | NSP | 0 |
0%
|
| Sysmiss | 10094 |