Value | Category | Cases | |
---|---|---|---|
-9 | don't know | 0 |
0%
|
-8 | does not apply | 0 |
0%
|
-7 | refused to answer | 0 |
0%
|
1973 | 1 |
0.1%
|
|
1976 | 5 |
0.5%
|
|
1977 | 1 |
0.1%
|
|
1978 | 1 |
0.1%
|
|
1979 | 2 |
0.2%
|
|
1982 | 2 |
0.2%
|
|
1983 | 1 |
0.1%
|
|
1985 | 2 |
0.2%
|
|
1986 | 1 |
0.1%
|
|
1987 | 1 |
0.1%
|
|
1988 | 8 |
0.7%
|
|
1989 | 9 |
0.8%
|
|
1990 | 52 |
4.8%
|
|
1991 | 4 |
0.4%
|
|
1992 | 1 |
0.1%
|
|
1993 | 3 |
0.3%
|
|
1994 | 1 |
0.1%
|
|
1995 | 4 |
0.4%
|
|
1996 | 11 |
1%
|
|
1997 | 24 |
2.2%
|
|
1998 | 366 |
34%
|
|
1999 | 225 |
20.9%
|
|
2000 | 182 |
16.9%
|
|
2001 | 74 |
6.9%
|
|
2002 | 73 |
6.8%
|
|
2003 | 18 |
1.7%
|
|
2004 | 3 |
0.3%
|
|
Sysmiss | 3046 |