| Value | Category | Cases | |
|---|---|---|---|
| 1956 | 1 |
0%
|
|
| 1957 | 2 |
0%
|
|
| 1959 | 2 |
0%
|
|
| 1960 | 10 |
0%
|
|
| 1961 | 48 |
0%
|
|
| 1962 | 63 |
0%
|
|
| 1963 | 134 |
0.1%
|
|
| 1964 | 1343 |
0.7%
|
|
| 1965 | 138 |
0.1%
|
|
| 1966 | 225 |
0.1%
|
|
| 1967 | 1338 |
0.7%
|
|
| 1968 | 1272 |
0.7%
|
|
| 1969 | 256 |
0.1%
|
|
| 1970 | 1883 |
1%
|
|
| 1971 | 2381 |
1.2%
|
|
| 1972 | 5564 |
2.9%
|
|
| 1973 | 2079 |
1.1%
|
|
| 1974 | 1277 |
0.7%
|
|
| 1975 | 2898 |
1.5%
|
|
| 1976 | 5086 |
2.6%
|
|
| 1977 | 5207 |
2.7%
|
|
| 1978 | 5696 |
2.9%
|
|
| 1979 | 15448 |
8%
|
|
| 1980 | 332 |
0.2%
|
|
| 1981 | 385 |
0.2%
|
|
| 1982 | 3723 |
1.9%
|
|
| 1983 | 3013 |
1.6%
|
|
| 1984 | 8655 |
4.5%
|
|
| 1985 | 5106 |
2.6%
|
|
| 1986 | 2470 |
1.3%
|
|
| 1987 | 4708 |
2.4%
|
|
| 1988 | 6660 |
3.4%
|
|
| 1989 | 17387 |
9%
|
|
| 1990 | 25635 |
13.2%
|
|
| 1991 | 3296 |
1.7%
|
|
| 1992 | 11599 |
6%
|
|
| 1993 | 8696 |
4.5%
|
|
| 1994 | 3779 |
1.9%
|
|
| 1995 | 3290 |
1.7%
|
|
| 1996 | 3235 |
1.7%
|
|
| 1997 | 5790 |
3%
|
|
| 1998 | 8834 |
4.6%
|
|
| 1999 | 4068 |
2.1%
|
|
| 2000 | 4249 |
2.2%
|
|
| 2001 | 5170 |
2.7%
|
|
| 2002 | 1554 |
0.8%
|