Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
2%
|
1974 | 1 |
0.7%
|
|
1978 | 1 |
0.7%
|
|
1986 | 1 |
0.7%
|
|
1990 | 1 |
0.7%
|
|
1994 | 1 |
0.7%
|
|
1995 | 4 |
2.6%
|
|
1996 | 2 |
1.3%
|
|
1999 | 4 |
2.6%
|
|
2000 | 5 |
3.3%
|
|
2001 | 2 |
1.3%
|
|
2002 | 2 |
1.3%
|
|
2003 | 1 |
0.7%
|
|
2004 | 4 |
2.6%
|
|
2005 | 3 |
2%
|
|
2006 | 2 |
1.3%
|
|
2007 | 1 |
0.7%
|
|
2008 | 5 |
3.3%
|
|
2009 | 2 |
1.3%
|
|
2010 | 10 |
6.6%
|
|
2011 | 5 |
3.3%
|
|
2012 | 10 |
6.6%
|
|
2013 | 6 |
3.9%
|
|
2014 | 7 |
4.6%
|
|
2015 | 21 |
13.8%
|
|
2016 | 16 |
10.5%
|
|
2017 | 25 |
16.4%
|
|
2018 | 7 |
4.6%
|
|
Sysmiss | 402 |