Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 15 |
15%
|
2008 | 1 |
1%
|
|
2010 | 2 |
2%
|
|
2012 | 1 |
1%
|
|
2014 | 2 |
2%
|
|
2015 | 4 |
4%
|
|
2016 | 4 |
4%
|
|
2017 | 3 |
3%
|
|
2018 | 5 |
5%
|
|
2019 | 11 |
11%
|
|
2020 | 22 |
22%
|
|
2021 | 23 |
23%
|
|
2022 | 7 |
7%
|
|
Sysmiss | 1473 |