Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 12 |
10.9%
|
2008 | 1 |
0.9%
|
|
2009 | 1 |
0.9%
|
|
2010 | 1 |
0.9%
|
|
2012 | 4 |
3.6%
|
|
2014 | 3 |
2.7%
|
|
2015 | 6 |
5.5%
|
|
2016 | 12 |
10.9%
|
|
2017 | 24 |
21.8%
|
|
2018 | 30 |
27.3%
|
|
2019 | 16 |
14.5%
|
|
Sysmiss | 161 |