Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
3.6%
|
1981 | 1 |
3.6%
|
|
1983 | 1 |
3.6%
|
|
1989 | 1 |
3.6%
|
|
1992 | 1 |
3.6%
|
|
1996 | 1 |
3.6%
|
|
1999 | 2 |
7.1%
|
|
2000 | 1 |
3.6%
|
|
2002 | 2 |
7.1%
|
|
2003 | 1 |
3.6%
|
|
2004 | 2 |
7.1%
|
|
2005 | 3 |
10.7%
|
|
2006 | 1 |
3.6%
|
|
2007 | 1 |
3.6%
|
|
2010 | 1 |
3.6%
|
|
2012 | 2 |
7.1%
|
|
2013 | 2 |
7.1%
|
|
2015 | 2 |
7.1%
|
|
2016 | 1 |
3.6%
|
|
2017 | 1 |
3.6%
|
|
Sysmiss | 92 |