| Value | Category | Cases | |
|---|---|---|---|
| 1961 | 2 |
0%
|
|
| 1962 | 5 |
0%
|
|
| 1963 | 19 |
0%
|
|
| 1964 | 392 |
0.2%
|
|
| 1965 | 62 |
0%
|
|
| 1966 | 117 |
0.1%
|
|
| 1967 | 738 |
0.4%
|
|
| 1968 | 890 |
0.5%
|
|
| 1969 | 178 |
0.1%
|
|
| 1970 | 1213 |
0.6%
|
|
| 1971 | 1946 |
1%
|
|
| 1972 | 4863 |
2.6%
|
|
| 1973 | 1964 |
1%
|
|
| 1974 | 1158 |
0.6%
|
|
| 1975 | 2739 |
1.4%
|
|
| 1976 | 4495 |
2.4%
|
|
| 1977 | 4816 |
2.5%
|
|
| 1978 | 5402 |
2.8%
|
|
| 1979 | 14931 |
7.9%
|
|
| 1980 | 310 |
0.2%
|
|
| 1981 | 399 |
0.2%
|
|
| 1982 | 3642 |
1.9%
|
|
| 1983 | 2963 |
1.6%
|
|
| 1984 | 8564 |
4.5%
|
|
| 1985 | 5064 |
2.7%
|
|
| 1986 | 2430 |
1.3%
|
|
| 1987 | 4663 |
2.5%
|
|
| 1988 | 6680 |
3.5%
|
|
| 1989 | 17281 |
9.1%
|
|
| 1990 | 25495 |
13.4%
|
|
| 1991 | 3245 |
1.7%
|
|
| 1992 | 11487 |
6%
|
|
| 1993 | 8574 |
4.5%
|
|
| 1994 | 3750 |
2%
|
|
| 1995 | 3169 |
1.7%
|
|
| 1996 | 3023 |
1.6%
|
|
| 1997 | 5424 |
2.9%
|
|
| 1998 | 8314 |
4.4%
|
|
| 1999 | 3436 |
1.8%
|
|
| 2000 | 3749 |
2%
|
|
| 2001 | 3719 |
2%
|
|
| 2002 | 3120 |
1.6%
|
|
| 2003 | 4330 |
2.3%
|
|
| 2004 | 1357 |
0.7%
|