Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
3.7%
|
1977 | 1 |
3.7%
|
|
1983 | 1 |
3.7%
|
|
1987 | 1 |
3.7%
|
|
1991 | 2 |
7.4%
|
|
1993 | 1 |
3.7%
|
|
1998 | 2 |
7.4%
|
|
2000 | 1 |
3.7%
|
|
2005 | 1 |
3.7%
|
|
2006 | 1 |
3.7%
|
|
2008 | 1 |
3.7%
|
|
2010 | 4 |
14.8%
|
|
2013 | 1 |
3.7%
|
|
2015 | 1 |
3.7%
|
|
2016 | 1 |
3.7%
|
|
2017 | 1 |
3.7%
|
|
2018 | 2 |
7.4%
|
|
2019 | 1 |
3.7%
|
|
2020 | 2 |
7.4%
|
|
2021 | 1 |
3.7%
|
|
Sysmiss | 130 |