Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 15 |
55.6%
|
1999 | 1 |
3.7%
|
|
2000 | 2 |
7.4%
|
|
2005 | 1 |
3.7%
|
|
2007 | 2 |
7.4%
|
|
2009 | 1 |
3.7%
|
|
2012 | 1 |
3.7%
|
|
2019 | 1 |
3.7%
|
|
2021 | 1 |
3.7%
|
|
2023 | 2 |
7.4%
|
|
Sysmiss | 84 |