Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 27 |
9.5%
|
1873 | 1 |
0.4%
|
|
1881 | 1 |
0.4%
|
|
1930 | 1 |
0.4%
|
|
1958 | 1 |
0.4%
|
|
1960 | 3 |
1.1%
|
|
1970 | 1 |
0.4%
|
|
1974 | 1 |
0.4%
|
|
1975 | 3 |
1.1%
|
|
1976 | 1 |
0.4%
|
|
1977 | 1 |
0.4%
|
|
1980 | 1 |
0.4%
|
|
1981 | 1 |
0.4%
|
|
1983 | 1 |
0.4%
|
|
1985 | 2 |
0.7%
|
|
1986 | 2 |
0.7%
|
|
1987 | 1 |
0.4%
|
|
1989 | 4 |
1.4%
|
|
1990 | 10 |
3.5%
|
|
1991 | 18 |
6.4%
|
|
1992 | 8 |
2.8%
|
|
1993 | 6 |
2.1%
|
|
1994 | 6 |
2.1%
|
|
1995 | 11 |
3.9%
|
|
1996 | 12 |
4.2%
|
|
1997 | 4 |
1.4%
|
|
1998 | 6 |
2.1%
|
|
1999 | 4 |
1.4%
|
|
2000 | 12 |
4.2%
|
|
2001 | 4 |
1.4%
|
|
2002 | 2 |
0.7%
|
|
2003 | 9 |
3.2%
|
|
2004 | 9 |
3.2%
|
|
2005 | 8 |
2.8%
|
|
2006 | 4 |
1.4%
|
|
2007 | 6 |
2.1%
|
|
2008 | 6 |
2.1%
|
|
2009 | 10 |
3.5%
|
|
2010 | 12 |
4.2%
|
|
2011 | 9 |
3.2%
|
|
2012 | 14 |
4.9%
|
|
2013 | 8 |
2.8%
|
|
2014 | 12 |
4.2%
|
|
2015 | 5 |
1.8%
|
|
2016 | 8 |
2.8%
|
|
2017 | 3 |
1.1%
|
|
2018 | 4 |
1.4%
|
|
Sysmiss | 126 |