Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 23 |
39.7%
|
1990 | 1 |
1.7%
|
|
1994 | 1 |
1.7%
|
|
1999 | 1 |
1.7%
|
|
2000 | 1 |
1.7%
|
|
2002 | 1 |
1.7%
|
|
2003 | 1 |
1.7%
|
|
2005 | 1 |
1.7%
|
|
2006 | 2 |
3.4%
|
|
2007 | 1 |
1.7%
|
|
2008 | 1 |
1.7%
|
|
2009 | 2 |
3.4%
|
|
2010 | 2 |
3.4%
|
|
2011 | 3 |
5.2%
|
|
2012 | 2 |
3.4%
|
|
2013 | 2 |
3.4%
|
|
2014 | 4 |
6.9%
|
|
2015 | 4 |
6.9%
|
|
2016 | 1 |
1.7%
|
|
2018 | 4 |
6.9%
|
|
Sysmiss | 294 |