Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 46 |
9.6%
|
1950 | 1 |
0.2%
|
|
1970 | 1 |
0.2%
|
|
1971 | 1 |
0.2%
|
|
1975 | 2 |
0.4%
|
|
1985 | 1 |
0.2%
|
|
1986 | 1 |
0.2%
|
|
1988 | 1 |
0.2%
|
|
1989 | 3 |
0.6%
|
|
1990 | 2 |
0.4%
|
|
1992 | 2 |
0.4%
|
|
1993 | 1 |
0.2%
|
|
1994 | 1 |
0.2%
|
|
1995 | 3 |
0.6%
|
|
1996 | 1 |
0.2%
|
|
1997 | 1 |
0.2%
|
|
1999 | 1 |
0.2%
|
|
2000 | 12 |
2.5%
|
|
2001 | 3 |
0.6%
|
|
2002 | 4 |
0.8%
|
|
2003 | 2 |
0.4%
|
|
2004 | 1 |
0.2%
|
|
2005 | 10 |
2.1%
|
|
2006 | 3 |
0.6%
|
|
2007 | 7 |
1.5%
|
|
2008 | 7 |
1.5%
|
|
2009 | 5 |
1%
|
|
2010 | 21 |
4.4%
|
|
2011 | 4 |
0.8%
|
|
2012 | 6 |
1.3%
|
|
2013 | 7 |
1.5%
|
|
2014 | 10 |
2.1%
|
|
2015 | 22 |
4.6%
|
|
2016 | 18 |
3.8%
|
|
2017 | 31 |
6.5%
|
|
2018 | 36 |
7.5%
|
|
2019 | 103 |
21.5%
|
|
2020 | 87 |
18.2%
|
|
2021 | 10 |
2.1%
|
|
Sysmiss | 517 |