Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
1.8%
|
1970 | 1 |
1.8%
|
|
1990 | 1 |
1.8%
|
|
2006 | 3 |
5.3%
|
|
2007 | 3 |
5.3%
|
|
2008 | 1 |
1.8%
|
|
2009 | 1 |
1.8%
|
|
2010 | 6 |
10.5%
|
|
2011 | 1 |
1.8%
|
|
2012 | 4 |
7%
|
|
2013 | 5 |
8.8%
|
|
2014 | 8 |
14%
|
|
2015 | 7 |
12.3%
|
|
2016 | 7 |
12.3%
|
|
2017 | 4 |
7%
|
|
2018 | 4 |
7%
|
|
Sysmiss | 434 |