Value | Category | Cases | |
---|---|---|---|
1967 | 1 |
0%
|
|
1968 | 1 |
0%
|
|
1970 | 5 |
0.1%
|
|
1972 | 2 |
0.1%
|
|
1973 | 3 |
0.1%
|
|
1974 | 6 |
0.2%
|
|
1975 | 8 |
0.2%
|
|
1976 | 5 |
0.1%
|
|
1977 | 4 |
0.1%
|
|
1978 | 9 |
0.2%
|
|
1979 | 8 |
0.2%
|
|
1980 | 15 |
0.4%
|
|
1981 | 12 |
0.3%
|
|
1982 | 18 |
0.5%
|
|
1983 | 9 |
0.2%
|
|
1984 | 28 |
0.7%
|
|
1985 | 43 |
1.1%
|
|
1986 | 41 |
1.1%
|
|
1987 | 26 |
0.7%
|
|
1988 | 32 |
0.8%
|
|
1989 | 43 |
1.1%
|
|
1990 | 84 |
2.2%
|
|
1991 | 89 |
2.3%
|
|
1992 | 104 |
2.7%
|
|
1993 | 109 |
2.9%
|
|
1994 | 209 |
5.5%
|
|
1995 | 248 |
6.5%
|
|
1996 | 269 |
7.1%
|
|
1997 | 432 |
11.4%
|
|
1998 | 631 |
16.6%
|
|
1999 | 729 |
19.2%
|
|
2000 | 226 |
6%
|
|
9997 | Missing | 99 |
2.6%
|
9999 | Don't know | 243 |
6.4%
|
Sysmiss | 1115 |