Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
18.2%
|
1968 | 1 |
3%
|
|
2001 | 1 |
3%
|
|
2002 | 2 |
6.1%
|
|
2004 | 1 |
3%
|
|
2007 | 2 |
6.1%
|
|
2008 | 4 |
12.1%
|
|
2009 | 1 |
3%
|
|
2010 | 1 |
3%
|
|
2011 | 1 |
3%
|
|
2013 | 1 |
3%
|
|
2014 | 2 |
6.1%
|
|
2015 | 1 |
3%
|
|
2016 | 2 |
6.1%
|
|
2018 | 2 |
6.1%
|
|
2019 | 5 |
15.2%
|
|
Sysmiss | 478 |