| Value | Category | Cases | |
|---|---|---|---|
| 1940 | 7 |
0.2%
|
|
| 1947 | 6 |
0.2%
|
|
| 1950 | 3 |
0.1%
|
|
| 1951 | 1 |
0%
|
|
| 1952 | 5 |
0.2%
|
|
| 1953 | 2 |
0.1%
|
|
| 1954 | 2 |
0.1%
|
|
| 1955 | 1 |
0%
|
|
| 1956 | 1 |
0%
|
|
| 1960 | 23 |
0.7%
|
|
| 1962 | 2 |
0.1%
|
|
| 1963 | 9 |
0.3%
|
|
| 1964 | 19 |
0.6%
|
|
| 1965 | 9 |
0.3%
|
|
| 1966 | 3 |
0.1%
|
|
| 1967 | 1 |
0%
|
|
| 1968 | 9 |
0.3%
|
|
| 1970 | 35 |
1.1%
|
|
| 1972 | 4 |
0.1%
|
|
| 1973 | 6 |
0.2%
|
|
| 1974 | 2 |
0.1%
|
|
| 1975 | 7 |
0.2%
|
|
| 1976 | 2 |
0.1%
|
|
| 1979 | 41 |
1.2%
|
|
| 1980 | 81 |
2.5%
|
|
| 1981 | 22 |
0.7%
|
|
| 1982 | 43 |
1.3%
|
|
| 1983 | 35 |
1.1%
|
|
| 1984 | 22 |
0.7%
|
|
| 1985 | 63 |
1.9%
|
|
| 1986 | 34 |
1%
|
|
| 1987 | 31 |
0.9%
|
|
| 1988 | 27 |
0.8%
|
|
| 1989 | 37 |
1.1%
|
|
| 1990 | 127 |
3.8%
|
|
| 1991 | 43 |
1.3%
|
|
| 1992 | 69 |
2.1%
|
|
| 1993 | 98 |
3%
|
|
| 1994 | 64 |
1.9%
|
|
| 1995 | 105 |
3.2%
|
|
| 1996 | 91 |
2.8%
|
|
| 1997 | 77 |
2.3%
|
|
| 1998 | 108 |
3.3%
|
|
| 1999 | 93 |
2.8%
|
|
| 2000 | 225 |
6.8%
|
|
| 2001 | 114 |
3.5%
|
|
| 2002 | 135 |
4.1%
|
|
| 2003 | 144 |
4.4%
|
|
| 2004 | 193 |
5.8%
|
|
| 2005 | 239 |
7.2%
|
|
| 2006 | 169 |
5.1%
|
|
| 2007 | 242 |
7.3%
|
|
| 2008 | 197 |
6%
|
|
| 2009 | 140 |
4.2%
|
|
| 2010 | 35 |
1.1%
|