Value | Category | Cases | |
---|---|---|---|
1965 | 1 |
0.1%
|
|
1970 | 1 |
0.1%
|
|
1973 | 1 |
0.1%
|
|
1974 | 1 |
0.1%
|
|
1976 | 4 |
0.5%
|
|
1977 | 5 |
0.6%
|
|
1978 | 3 |
0.3%
|
|
1979 | 6 |
0.7%
|
|
1980 | 12 |
1.4%
|
|
1981 | 12 |
1.4%
|
|
1982 | 11 |
1.3%
|
|
1983 | 15 |
1.7%
|
|
1984 | 10 |
1.2%
|
|
1985 | 15 |
1.7%
|
|
1986 | 29 |
3.3%
|
|
1987 | 13 |
1.5%
|
|
1988 | 24 |
2.8%
|
|
1989 | 27 |
3.1%
|
|
1990 | 37 |
4.3%
|
|
1991 | 34 |
3.9%
|
|
1992 | 32 |
3.7%
|
|
1993 | 25 |
2.9%
|
|
1994 | 24 |
2.8%
|
|
1995 | 18 |
2.1%
|
|
1996 | 44 |
5.1%
|
|
1997 | 16 |
1.8%
|
|
1998 | 33 |
3.8%
|
|
1999 | 27 |
3.1%
|
|
2000 | 31 |
3.6%
|
|
2001 | 31 |
3.6%
|
|
2002 | 33 |
3.8%
|
|
2003 | 25 |
2.9%
|
|
2004 | 15 |
1.7%
|
|
2005 | 13 |
1.5%
|
|
2006 | 19 |
2.2%
|
|
9997 | Inconsistent | 0 |
0%
|
9998 | DK | 219 |
25.2%
|
9999 | Missing | 2 |
0.2%
|
Sysmiss | 413 |