| Value | Category | Cases | |
|---|---|---|---|
| 1936 | 1 |
0%
|
|
| 1950 | 1 |
0%
|
|
| 1955 | 3 |
0%
|
|
| 1956 | 2 |
0%
|
|
| 1957 | 1 |
0%
|
|
| 1958 | 4 |
0%
|
|
| 1959 | 3 |
0%
|
|
| 1960 | 2 |
0%
|
|
| 1961 | 4 |
0%
|
|
| 1962 | 2 |
0%
|
|
| 1963 | 2 |
0%
|
|
| 1964 | 7 |
0.1%
|
|
| 1965 | 4 |
0%
|
|
| 1966 | 5 |
0%
|
|
| 1967 | 1 |
0%
|
|
| 1968 | 6 |
0.1%
|
|
| 1969 | 1 |
0%
|
|
| 1970 | 11 |
0.1%
|
|
| 1971 | 6 |
0.1%
|
|
| 1972 | 3 |
0%
|
|
| 1973 | 4 |
0%
|
|
| 1974 | 8 |
0.1%
|
|
| 1975 | 10 |
0.1%
|
|
| 1976 | 11 |
0.1%
|
|
| 1977 | 6 |
0.1%
|
|
| 1978 | 19 |
0.2%
|
|
| 1979 | 13 |
0.1%
|
|
| 1980 | 43 |
0.4%
|
|
| 1981 | 23 |
0.2%
|
|
| 1982 | 29 |
0.3%
|
|
| 1983 | 21 |
0.2%
|
|
| 1984 | 32 |
0.3%
|
|
| 1985 | 64 |
0.6%
|
|
| 1986 | 42 |
0.4%
|
|
| 1987 | 67 |
0.6%
|
|
| 1988 | 62 |
0.5%
|
|
| 1989 | 84 |
0.7%
|
|
| 1990 | 186 |
1.6%
|
|
| 1991 | 192 |
1.7%
|
|
| 1992 | 157 |
1.4%
|
|
| 1993 | 142 |
1.2%
|
|
| 1994 | 133 |
1.2%
|
|
| 1995 | 249 |
2.2%
|
|
| 1996 | 233 |
2%
|
|
| 1997 | 236 |
2%
|
|
| 1998 | 226 |
2%
|
|
| 1999 | 279 |
2.4%
|
|
| 2000 | 461 |
4%
|
|
| 2001 | 302 |
2.6%
|
|
| 2002 | 364 |
3.2%
|
|
| 2003 | 329 |
2.8%
|
|
| 2004 | 293 |
2.5%
|
|
| 2005 | 445 |
3.9%
|
|
| 2006 | 431 |
3.7%
|
|
| 2007 | 518 |
4.5%
|
|
| 2008 | 586 |
5.1%
|
|
| 2009 | 341 |
3%
|
|
| 2010 | 533 |
4.6%
|
|
| 2011 | 307 |
2.7%
|
|
| 2012 | 486 |
4.2%
|
|
| 2013 | 455 |
3.9%
|
|
| 2014 | 514 |
4.4%
|
|
| 2015 | 500 |
4.3%
|
|
| 2016 | 497 |
4.3%
|
|
| 2017 | 964 |
8.3%
|
|
| 2018 | 589 |
5.1%
|