Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 18 |
40.9%
|
1930 | 1 |
2.3%
|
|
1980 | 1 |
2.3%
|
|
1985 | 1 |
2.3%
|
|
1989 | 1 |
2.3%
|
|
1990 | 3 |
6.8%
|
|
1991 | 1 |
2.3%
|
|
1993 | 1 |
2.3%
|
|
1998 | 1 |
2.3%
|
|
2000 | 1 |
2.3%
|
|
2004 | 1 |
2.3%
|
|
2005 | 1 |
2.3%
|
|
2006 | 1 |
2.3%
|
|
2007 | 1 |
2.3%
|
|
2008 | 1 |
2.3%
|
|
2009 | 1 |
2.3%
|
|
2010 | 3 |
6.8%
|
|
2013 | 2 |
4.5%
|
|
2014 | 1 |
2.3%
|
|
2015 | 1 |
2.3%
|
|
2017 | 1 |
2.3%
|
|
2021 | 1 |
2.3%
|
|
Sysmiss | 109 |