Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 40 |
14.9%
|
1983 | 1 |
0.4%
|
|
1997 | 1 |
0.4%
|
|
1998 | 1 |
0.4%
|
|
1999 | 1 |
0.4%
|
|
2000 | 3 |
1.1%
|
|
2001 | 1 |
0.4%
|
|
2002 | 1 |
0.4%
|
|
2004 | 2 |
0.7%
|
|
2005 | 3 |
1.1%
|
|
2007 | 1 |
0.4%
|
|
2008 | 3 |
1.1%
|
|
2009 | 1 |
0.4%
|
|
2010 | 5 |
1.9%
|
|
2011 | 3 |
1.1%
|
|
2012 | 5 |
1.9%
|
|
2013 | 3 |
1.1%
|
|
2014 | 4 |
1.5%
|
|
2015 | 10 |
3.7%
|
|
2016 | 3 |
1.1%
|
|
2017 | 7 |
2.6%
|
|
2018 | 16 |
5.9%
|
|
2019 | 14 |
5.2%
|
|
2020 | 28 |
10.4%
|
|
2021 | 30 |
11.2%
|
|
2022 | 36 |
13.4%
|
|
2023 | 26 |
9.7%
|
|
2024 | 20 |
7.4%
|
|
Sysmiss | 710 |