Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 160 |
4.4%
|
1965 | 1 |
0%
|
|
1973 | 1 |
0%
|
|
1978 | 1 |
0%
|
|
1980 | 1 |
0%
|
|
1986 | 1 |
0%
|
|
1989 | 1 |
0%
|
|
1990 | 5 |
0.1%
|
|
1991 | 2 |
0.1%
|
|
1992 | 1 |
0%
|
|
1994 | 3 |
0.1%
|
|
1995 | 7 |
0.2%
|
|
1996 | 2 |
0.1%
|
|
1997 | 2 |
0.1%
|
|
1998 | 10 |
0.3%
|
|
1999 | 5 |
0.1%
|
|
2000 | 23 |
0.6%
|
|
2001 | 15 |
0.4%
|
|
2002 | 15 |
0.4%
|
|
2003 | 29 |
0.8%
|
|
2004 | 24 |
0.7%
|
|
2005 | 68 |
1.9%
|
|
2006 | 67 |
1.8%
|
|
2007 | 52 |
1.4%
|
|
2008 | 88 |
2.4%
|
|
2009 | 122 |
3.4%
|
|
2010 | 304 |
8.4%
|
|
2011 | 515 |
14.2%
|
|
2012 | 588 |
16.2%
|
|
2013 | 582 |
16%
|
|
2014 | 19 |
0.5%
|
|
2015 | 66 |
1.8%
|
|
2016 | 54 |
1.5%
|
|
2017 | 70 |
1.9%
|
|
2018 | 126 |
3.5%
|
|
2019 | 89 |
2.4%
|
|
2020 | 141 |
3.9%
|
|
2021 | 375 |
10.3%
|
|
Sysmiss | 15022 |