Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 22 |
55%
|
1998 | 1 |
2.5%
|
|
2007 | 1 |
2.5%
|
|
2010 | 1 |
2.5%
|
|
2015 | 3 |
7.5%
|
|
2016 | 1 |
2.5%
|
|
2019 | 4 |
10%
|
|
2020 | 3 |
7.5%
|
|
2021 | 4 |
10%
|
|
Sysmiss | 1687 |