value | category | cases | |
---|---|---|---|
1968 | 1 |
0.3%
|
|
1972 | 1 |
0.3%
|
|
1973 | 2 |
0.5%
|
|
1975 | 2 |
0.5%
|
|
1978 | 2 |
0.5%
|
|
1979 | 3 |
0.8%
|
|
1980 | 6 |
1.6%
|
|
1981 | 1 |
0.3%
|
|
1982 | 4 |
1.1%
|
|
1983 | 8 |
2.1%
|
|
1984 | 4 |
1.1%
|
|
1985 | 6 |
1.6%
|
|
1986 | 7 |
1.9%
|
|
1987 | 7 |
1.9%
|
|
1988 | 6 |
1.6%
|
|
1989 | 5 |
1.3%
|
|
1990 | 16 |
4.2%
|
|
1991 | 10 |
2.6%
|
|
1992 | 8 |
2.1%
|
|
1993 | 22 |
5.8%
|
|
1994 | 14 |
3.7%
|
|
1995 | 19 |
5%
|
|
1996 | 20 |
5.3%
|
|
1997 | 18 |
4.8%
|
|
1998 | 37 |
9.8%
|
|
1999 | 32 |
8.5%
|
|
2000 | 32 |
8.5%
|
|
2001 | 23 |
6.1%
|
|
2002 | 33 |
8.7%
|
|
2003 | 29 |
7.7%
|
|
9997 | Inconsistent | 0 |
0%
|
9998 | DK | 0 |
0%
|
Sysmiss | 1962 |