Value | Category | Cases | |
---|---|---|---|
0 | 7 |
3.5%
|
|
1957 | 1 |
0.5%
|
|
1958 | 1 |
0.5%
|
|
1968 | 1 |
0.5%
|
|
1969 | 1 |
0.5%
|
|
1970 | 1 |
0.5%
|
|
1974 | 1 |
0.5%
|
|
1976 | 2 |
1%
|
|
1977 | 1 |
0.5%
|
|
1978 | 8 |
4%
|
|
1979 | 4 |
2%
|
|
1980 | 6 |
3%
|
|
1981 | 4 |
2%
|
|
1982 | 2 |
1%
|
|
1983 | 10 |
5%
|
|
1984 | 6 |
3%
|
|
1985 | 4 |
2%
|
|
1986 | 5 |
2.5%
|
|
1987 | 8 |
4%
|
|
1988 | 3 |
1.5%
|
|
1989 | 8 |
4%
|
|
1990 | 8 |
4%
|
|
1991 | 7 |
3.5%
|
|
1992 | 7 |
3.5%
|
|
1993 | 8 |
4%
|
|
1994 | 7 |
3.5%
|
|
1995 | 6 |
3%
|
|
1996 | 6 |
3%
|
|
1997 | 7 |
3.5%
|
|
1998 | 12 |
6%
|
|
1999 | 11 |
5.5%
|
|
2000 | 15 |
7.5%
|
|
2001 | 15 |
7.5%
|
|
2002 | 7 |
3.5%
|
|
2003 | 1 |
0.5%
|