value | category | cases | |
---|---|---|---|
1973 | 2 |
1.4%
|
|
1975 | 2 |
1.4%
|
|
1978 | 1 |
0.7%
|
|
1979 | 1 |
0.7%
|
|
1980 | 2 |
1.4%
|
|
1982 | 1 |
0.7%
|
|
1983 | 4 |
2.8%
|
|
1984 | 4 |
2.8%
|
|
1985 | 6 |
4.3%
|
|
1986 | 4 |
2.8%
|
|
1987 | 4 |
2.8%
|
|
1988 | 6 |
4.3%
|
|
1989 | 3 |
2.1%
|
|
1990 | 15 |
10.6%
|
|
1991 | 5 |
3.5%
|
|
1992 | 6 |
4.3%
|
|
1993 | 20 |
14.2%
|
|
1994 | 12 |
8.5%
|
|
1995 | 11 |
7.8%
|
|
1996 | 16 |
11.3%
|
|
1997 | 16 |
11.3%
|
|
9997 | Inconsistent | 0 |
0%
|
9998 | Don't know | 0 |
0%
|
Sysmiss | 2199 |