Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 8 |
15.1%
|
1957 | 1 |
1.9%
|
|
1975 | 1 |
1.9%
|
|
1987 | 1 |
1.9%
|
|
1989 | 1 |
1.9%
|
|
1990 | 1 |
1.9%
|
|
1994 | 1 |
1.9%
|
|
1995 | 3 |
5.7%
|
|
1997 | 2 |
3.8%
|
|
2000 | 2 |
3.8%
|
|
2001 | 1 |
1.9%
|
|
2002 | 3 |
5.7%
|
|
2004 | 1 |
1.9%
|
|
2005 | 3 |
5.7%
|
|
2006 | 3 |
5.7%
|
|
2007 | 1 |
1.9%
|
|
2008 | 4 |
7.5%
|
|
2009 | 2 |
3.8%
|
|
2010 | 1 |
1.9%
|
|
2013 | 2 |
3.8%
|
|
2015 | 2 |
3.8%
|
|
2017 | 1 |
1.9%
|
|
2018 | 4 |
7.5%
|
|
2019 | 1 |
1.9%
|
|
2020 | 2 |
3.8%
|
|
2021 | 1 |
1.9%
|
|
Sysmiss | 325 |