Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 18 |
13.4%
|
2002 | 1 |
0.7%
|
|
2004 | 1 |
0.7%
|
|
2006 | 1 |
0.7%
|
|
2009 | 1 |
0.7%
|
|
2010 | 6 |
4.5%
|
|
2011 | 1 |
0.7%
|
|
2012 | 4 |
3%
|
|
2014 | 2 |
1.5%
|
|
2015 | 5 |
3.7%
|
|
2016 | 4 |
3%
|
|
2017 | 7 |
5.2%
|
|
2018 | 10 |
7.5%
|
|
2019 | 14 |
10.4%
|
|
2020 | 28 |
20.9%
|
|
2021 | 13 |
9.7%
|
|
2022 | 16 |
11.9%
|
|
2023 | 2 |
1.5%
|
|
Sysmiss | 464 |