Value | Category | Cases | |
---|---|---|---|
97 | Refused | 0 |
0%
|
98 | Don't know | 5 |
0.3%
|
99 | Missing | 46 |
2.7%
|
1953 | 1 |
0.1%
|
|
1960 | 6 |
0.3%
|
|
1964 | 4 |
0.2%
|
|
1965 | 2 |
0.1%
|
|
1968 | 1 |
0.1%
|
|
1969 | 1 |
0.1%
|
|
1970 | 2 |
0.1%
|
|
1972 | 5 |
0.3%
|
|
1973 | 2 |
0.1%
|
|
1974 | 2 |
0.1%
|
|
1975 | 4 |
0.2%
|
|
1976 | 1 |
0.1%
|
|
1977 | 3 |
0.2%
|
|
1978 | 2 |
0.1%
|
|
1980 | 16 |
0.9%
|
|
1981 | 1 |
0.1%
|
|
1982 | 12 |
0.7%
|
|
1983 | 4 |
0.2%
|
|
1984 | 11 |
0.6%
|
|
1985 | 7 |
0.4%
|
|
1986 | 9 |
0.5%
|
|
1987 | 7 |
0.4%
|
|
1988 | 9 |
0.5%
|
|
1989 | 9 |
0.5%
|
|
1990 | 21 |
1.2%
|
|
1991 | 30 |
1.7%
|
|
1992 | 20 |
1.2%
|
|
1993 | 22 |
1.3%
|
|
1994 | 26 |
1.5%
|
|
1995 | 21 |
1.2%
|
|
1996 | 18 |
1%
|
|
1997 | 11 |
0.6%
|
|
1998 | 35 |
2%
|
|
1999 | 45 |
2.6%
|
|
2000 | 108 |
6.3%
|
|
2001 | 59 |
3.4%
|
|
2002 | 67 |
3.9%
|
|
2003 | 74 |
4.3%
|
|
2004 | 64 |
3.7%
|
|
2005 | 71 |
4.1%
|
|
2006 | 62 |
3.6%
|
|
2007 | 57 |
3.3%
|
|
2008 | 97 |
5.6%
|
|
2009 | 116 |
6.7%
|
|
2010 | 154 |
8.9%
|
|
2011 | 124 |
7.2%
|
|
2012 | 196 |
11.4%
|
|
2013 | 51 |
3%
|
|
Sysmiss | 4 |