| Value | Category | Cases | |
|---|---|---|---|
| 1954 | 1 |
0.5%
|
|
| 1955 | 1 |
0.5%
|
|
| 1957 | 2 |
0.9%
|
|
| 1958 | 1 |
0.5%
|
|
| 1959 | 1 |
0.5%
|
|
| 1960 | 1 |
0.5%
|
|
| 1961 | 3 |
1.4%
|
|
| 1963 | 2 |
0.9%
|
|
| 1964 | 3 |
1.4%
|
|
| 1965 | 2 |
0.9%
|
|
| 1966 | 2 |
0.9%
|
|
| 1967 | 1 |
0.5%
|
|
| 1968 | 3 |
1.4%
|
|
| 1969 | 7 |
3.3%
|
|
| 1970 | 5 |
2.4%
|
|
| 1971 | 3 |
1.4%
|
|
| 1972 | 2 |
0.9%
|
|
| 1973 | 3 |
1.4%
|
|
| 1974 | 4 |
1.9%
|
|
| 1975 | 4 |
1.9%
|
|
| 1976 | 2 |
0.9%
|
|
| 1977 | 2 |
0.9%
|
|
| 1978 | 8 |
3.8%
|
|
| 1979 | 5 |
2.4%
|
|
| 1980 | 11 |
5.2%
|
|
| 1981 | 1 |
0.5%
|
|
| 1982 | 6 |
2.8%
|
|
| 1983 | 4 |
1.9%
|
|
| 1984 | 7 |
3.3%
|
|
| 1985 | 12 |
5.7%
|
|
| 1986 | 7 |
3.3%
|
|
| 1987 | 6 |
2.8%
|
|
| 1988 | 5 |
2.4%
|
|
| 1989 | 5 |
2.4%
|
|
| 1990 | 4 |
1.9%
|
|
| 1991 | 4 |
1.9%
|
|
| 1994 | 1 |
0.5%
|
|
| 1995 | 2 |
0.9%
|
|
| 1996 | 1 |
0.5%
|
|
| 1997 | 8 |
3.8%
|
|
| 1998 | 9 |
4.2%
|
|
| 1999 | 9 |
4.2%
|
|
| 2000 | 26 |
12.3%
|
|
| 2001 | 15 |
7.1%
|
|
| 7777 | NZ | 0 |
0%
|
| 8888 | BO | 1 |
0.5%
|
| Sysmiss | 5190 |