Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
1.2%
|
1968 | 1 |
0.6%
|
|
1972 | 1 |
0.6%
|
|
1976 | 1 |
0.6%
|
|
1977 | 1 |
0.6%
|
|
1984 | 1 |
0.6%
|
|
1987 | 1 |
0.6%
|
|
1988 | 1 |
0.6%
|
|
1989 | 1 |
0.6%
|
|
1991 | 3 |
1.8%
|
|
1992 | 2 |
1.2%
|
|
1993 | 7 |
4.1%
|
|
1995 | 3 |
1.8%
|
|
1997 | 6 |
3.5%
|
|
1998 | 2 |
1.2%
|
|
1999 | 3 |
1.8%
|
|
2000 | 2 |
1.2%
|
|
2001 | 3 |
1.8%
|
|
2002 | 4 |
2.4%
|
|
2003 | 11 |
6.5%
|
|
2004 | 1 |
0.6%
|
|
2005 | 5 |
2.9%
|
|
2006 | 2 |
1.2%
|
|
2007 | 4 |
2.4%
|
|
2008 | 8 |
4.7%
|
|
2009 | 3 |
1.8%
|
|
2010 | 4 |
2.4%
|
|
2011 | 6 |
3.5%
|
|
2012 | 6 |
3.5%
|
|
2013 | 10 |
5.9%
|
|
2014 | 5 |
2.9%
|
|
2015 | 9 |
5.3%
|
|
2016 | 4 |
2.4%
|
|
2017 | 6 |
3.5%
|
|
2018 | 14 |
8.2%
|
|
2019 | 7 |
4.1%
|
|
2020 | 5 |
2.9%
|
|
2021 | 13 |
7.6%
|
|
2022 | 2 |
1.2%
|
|
Sysmiss | 412 |