| Value | Category | Cases | |
|---|---|---|---|
| 1947 | 1 |
0%
|
|
| 1956 | 1 |
0%
|
|
| 1961 | 10 |
0%
|
|
| 1962 | 26 |
0%
|
|
| 1963 | 59 |
0%
|
|
| 1964 | 836 |
0.4%
|
|
| 1965 | 96 |
0.1%
|
|
| 1966 | 157 |
0.1%
|
|
| 1967 | 1048 |
0.6%
|
|
| 1968 | 1070 |
0.6%
|
|
| 1969 | 220 |
0.1%
|
|
| 1970 | 1537 |
0.8%
|
|
| 1971 | 2175 |
1.1%
|
|
| 1972 | 5219 |
2.7%
|
|
| 1973 | 2041 |
1.1%
|
|
| 1974 | 1241 |
0.7%
|
|
| 1975 | 2831 |
1.5%
|
|
| 1976 | 4800 |
2.5%
|
|
| 1977 | 5029 |
2.6%
|
|
| 1978 | 5549 |
2.9%
|
|
| 1979 | 15164 |
8%
|
|
| 1980 | 315 |
0.2%
|
|
| 1981 | 389 |
0.2%
|
|
| 1982 | 3662 |
1.9%
|
|
| 1983 | 2995 |
1.6%
|
|
| 1984 | 8657 |
4.6%
|
|
| 1985 | 5087 |
2.7%
|
|
| 1986 | 2435 |
1.3%
|
|
| 1987 | 4658 |
2.5%
|
|
| 1988 | 6639 |
3.5%
|
|
| 1989 | 17378 |
9.2%
|
|
| 1990 | 25657 |
13.5%
|
|
| 1991 | 3252 |
1.7%
|
|
| 1992 | 11523 |
6.1%
|
|
| 1993 | 8652 |
4.6%
|
|
| 1994 | 3729 |
2%
|
|
| 1995 | 3162 |
1.7%
|
|
| 1996 | 3046 |
1.6%
|
|
| 1997 | 5436 |
2.9%
|
|
| 1998 | 8255 |
4.3%
|
|
| 1999 | 3441 |
1.8%
|
|
| 2000 | 3064 |
1.6%
|
|
| 2001 | 3802 |
2%
|
|
| 2002 | 3260 |
1.7%
|
|
| 2003 | 2196 |
1.2%
|