Value | Category | Cases | |
---|---|---|---|
99 | Don't remember | 4 |
0.1%
|
1910 | 3 |
0.1%
|
|
1933 | 1 |
0%
|
|
1937 | 1 |
0%
|
|
1939 | 1 |
0%
|
|
1950 | 1 |
0%
|
|
1955 | 1 |
0%
|
|
1960 | 3 |
0.1%
|
|
1963 | 1 |
0%
|
|
1965 | 2 |
0.1%
|
|
1967 | 2 |
0.1%
|
|
1968 | 1 |
0%
|
|
1969 | 1 |
0%
|
|
1970 | 6 |
0.2%
|
|
1971 | 2 |
0.1%
|
|
1972 | 2 |
0.1%
|
|
1973 | 2 |
0.1%
|
|
1974 | 2 |
0.1%
|
|
1975 | 11 |
0.3%
|
|
1977 | 12 |
0.3%
|
|
1978 | 9 |
0.2%
|
|
1979 | 4 |
0.1%
|
|
1980 | 30 |
0.8%
|
|
1981 | 7 |
0.2%
|
|
1982 | 23 |
0.6%
|
|
1983 | 14 |
0.4%
|
|
1984 | 14 |
0.4%
|
|
1985 | 37 |
1%
|
|
1986 | 15 |
0.4%
|
|
1987 | 45 |
1.2%
|
|
1988 | 45 |
1.2%
|
|
1989 | 29 |
0.8%
|
|
1990 | 119 |
3.2%
|
|
1991 | 48 |
1.3%
|
|
1992 | 121 |
3.2%
|
|
1993 | 65 |
1.7%
|
|
1994 | 93 |
2.5%
|
|
1995 | 136 |
3.6%
|
|
1996 | 60 |
1.6%
|
|
1997 | 92 |
2.4%
|
|
1998 | 151 |
4%
|
|
1999 | 123 |
3.3%
|
|
2000 | 313 |
8.3%
|
|
2001 | 87 |
2.3%
|
|
2002 | 193 |
5.1%
|
|
2003 | 108 |
2.9%
|
|
2004 | 104 |
2.8%
|
|
2005 | 218 |
5.8%
|
|
2006 | 164 |
4.4%
|
|
2007 | 195 |
5.2%
|
|
2008 | 237 |
6.3%
|
|
2009 | 224 |
5.9%
|
|
2010 | 267 |
7.1%
|
|
2011 | 203 |
5.4%
|
|
2012 | 117 |
3.1%
|
|
Sysmiss | 116309 |