Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 20 |
31.7%
|
1999 | 1 |
1.6%
|
|
2002 | 1 |
1.6%
|
|
2004 | 1 |
1.6%
|
|
2006 | 2 |
3.2%
|
|
2008 | 1 |
1.6%
|
|
2009 | 1 |
1.6%
|
|
2010 | 3 |
4.8%
|
|
2011 | 1 |
1.6%
|
|
2012 | 1 |
1.6%
|
|
2013 | 2 |
3.2%
|
|
2014 | 2 |
3.2%
|
|
2015 | 2 |
3.2%
|
|
2016 | 1 |
1.6%
|
|
2017 | 3 |
4.8%
|
|
2018 | 2 |
3.2%
|
|
2019 | 3 |
4.8%
|
|
2020 | 1 |
1.6%
|
|
2021 | 3 |
4.8%
|
|
2022 | 7 |
11.1%
|
|
2023 | 5 |
7.9%
|
|
Sysmiss | 305 |