Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 11 |
15.5%
|
1956 | 1 |
1.4%
|
|
1962 | 1 |
1.4%
|
|
1969 | 1 |
1.4%
|
|
1972 | 1 |
1.4%
|
|
1987 | 1 |
1.4%
|
|
1988 | 1 |
1.4%
|
|
1990 | 1 |
1.4%
|
|
1991 | 1 |
1.4%
|
|
1992 | 1 |
1.4%
|
|
1995 | 1 |
1.4%
|
|
1997 | 1 |
1.4%
|
|
1998 | 2 |
2.8%
|
|
1999 | 1 |
1.4%
|
|
2000 | 5 |
7%
|
|
2002 | 2 |
2.8%
|
|
2003 | 2 |
2.8%
|
|
2005 | 2 |
2.8%
|
|
2006 | 2 |
2.8%
|
|
2007 | 2 |
2.8%
|
|
2008 | 2 |
2.8%
|
|
2009 | 2 |
2.8%
|
|
2010 | 1 |
1.4%
|
|
2011 | 3 |
4.2%
|
|
2012 | 1 |
1.4%
|
|
2014 | 2 |
2.8%
|
|
2015 | 2 |
2.8%
|
|
2016 | 6 |
8.5%
|
|
2017 | 2 |
2.8%
|
|
2018 | 2 |
2.8%
|
|
2019 | 2 |
2.8%
|
|
2020 | 4 |
5.6%
|
|
2021 | 2 |
2.8%
|
|
Sysmiss | 331 |