Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 15 |
7.5%
|
1980 | 1 |
0.5%
|
|
1987 | 1 |
0.5%
|
|
1990 | 1 |
0.5%
|
|
1992 | 1 |
0.5%
|
|
1994 | 1 |
0.5%
|
|
1996 | 1 |
0.5%
|
|
1997 | 1 |
0.5%
|
|
2000 | 3 |
1.5%
|
|
2001 | 1 |
0.5%
|
|
2002 | 3 |
1.5%
|
|
2004 | 2 |
1%
|
|
2005 | 5 |
2.5%
|
|
2006 | 3 |
1.5%
|
|
2007 | 2 |
1%
|
|
2008 | 2 |
1%
|
|
2009 | 2 |
1%
|
|
2010 | 4 |
2%
|
|
2012 | 16 |
8%
|
|
2013 | 3 |
1.5%
|
|
2014 | 6 |
3%
|
|
2015 | 14 |
7%
|
|
2016 | 8 |
4%
|
|
2017 | 10 |
5%
|
|
2018 | 16 |
8%
|
|
2019 | 27 |
13.6%
|
|
2020 | 21 |
10.6%
|
|
2021 | 20 |
10.1%
|
|
2022 | 9 |
4.5%
|
|
Sysmiss | 1441 |