Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
2005 | 1 |
12.5%
|
|
2013 | 2 |
25%
|
|
2016 | 2 |
25%
|
|
2018 | 3 |
37.5%
|
|
Sysmiss | 149 |