| Value | Category | Cases | |
|---|---|---|---|
| 1921 | 1 | 
                                    
                                    0%
                                 | |
| 1923 | 1 | 
                                    
                                    0%
                                 | |
| 1925 | 1 | 
                                    
                                    0%
                                 | |
| 1928 | 1 | 
                                    
                                    0%
                                 | |
| 1929 | 2 | 
                                    
                                    0%
                                 | |
| 1932 | 1 | 
                                    
                                    0%
                                 | |
| 1933 | 2 | 
                                    
                                    0%
                                 | |
| 1934 | 4 | 
                                    
                                    0.1%
                                 | |
| 1935 | 3 | 
                                    
                                    0.1%
                                 | |
| 1937 | 1 | 
                                    
                                    0%
                                 | |
| 1938 | 4 | 
                                    
                                    0.1%
                                 | |
| 1939 | 2 | 
                                    
                                    0%
                                 | |
| 1940 | 9 | 
                                    
                                    0.2%
                                 | |
| 1941 | 3 | 
                                    
                                    0.1%
                                 | |
| 1942 | 7 | 
                                    
                                    0.2%
                                 | |
| 1943 | 6 | 
                                    
                                    0.1%
                                 | |
| 1944 | 12 | 
                                    
                                    0.3%
                                 | |
| 1945 | 40 | 
                                    
                                    0.9%
                                 | |
| 1946 | 24 | 
                                    
                                    0.5%
                                 | |
| 1947 | 28 | 
                                    
                                    0.6%
                                 | |
| 1948 | 49 | 
                                    
                                    1.1%
                                 | |
| 1949 | 58 | 
                                    
                                    1.3%
                                 | |
| 1950 | 54 | 
                                    
                                    1.2%
                                 | |
| 1951 | 51 | 
                                    
                                    1.1%
                                 | |
| 1952 | 32 | 
                                    
                                    0.7%
                                 | |
| 1953 | 29 | 
                                    
                                    0.6%
                                 | |
| 1954 | 17 | 
                                    
                                    0.4%
                                 | |
| 1955 | 23 | 
                                    
                                    0.5%
                                 | |
| 1956 | 41 | 
                                    
                                    0.9%
                                 | |
| 1957 | 37 | 
                                    
                                    0.8%
                                 | |
| 1958 | 36 | 
                                    
                                    0.8%
                                 | |
| 1959 | 20 | 
                                    
                                    0.4%
                                 | |
| 1960 | 48 | 
                                    
                                    1.1%
                                 | |
| 1961 | 33 | 
                                    
                                    0.7%
                                 | |
| 1962 | 60 | 
                                    
                                    1.3%
                                 | |
| 1963 | 49 | 
                                    
                                    1.1%
                                 | |
| 1964 | 62 | 
                                    
                                    1.4%
                                 | |
| 1965 | 42 | 
                                    
                                    0.9%
                                 | |
| 1966 | 40 | 
                                    
                                    0.9%
                                 | |
| 1967 | 35 | 
                                    
                                    0.8%
                                 | |
| 1968 | 50 | 
                                    
                                    1.1%
                                 | |
| 1969 | 57 | 
                                    
                                    1.3%
                                 | |
| 1970 | 103 | 
                                    
                                    2.3%
                                 | |
| 1971 | 49 | 
                                    
                                    1.1%
                                 | |
| 1972 | 43 | 
                                    
                                    1%
                                 | |
| 1973 | 53 | 
                                    
                                    1.2%
                                 | |
| 1974 | 49 | 
                                    
                                    1.1%
                                 | |
| 1975 | 49 | 
                                    
                                    1.1%
                                 | |
| 1976 | 36 | 
                                    
                                    0.8%
                                 | |
| 1977 | 42 | 
                                    
                                    0.9%
                                 | |
| 1978 | 50 | 
                                    
                                    1.1%
                                 | |
| 1979 | 64 | 
                                    
                                    1.4%
                                 | |
| 1980 | 69 | 
                                    
                                    1.5%
                                 | |
| 1981 | 39 | 
                                    
                                    0.9%
                                 | |
| 1982 | 44 | 
                                    
                                    1%
                                 | |
| 1983 | 41 | 
                                    
                                    0.9%
                                 | |
| 1984 | 50 | 
                                    
                                    1.1%
                                 | |
| 1985 | 40 | 
                                    
                                    0.9%
                                 | |
| 1986 | 45 | 
                                    
                                    1%
                                 | |
| 1987 | 54 | 
                                    
                                    1.2%
                                 | |
| 1988 | 58 | 
                                    
                                    1.3%
                                 | |
| 1989 | 76 | 
                                    
                                    1.7%
                                 | |
| 1990 | 170 | 
                                    
                                    3.8%
                                 | |
| 1991 | 130 | 
                                    
                                    2.9%
                                 | |
| 1992 | 90 | 
                                    
                                    2%
                                 | |
| 1993 | 61 | 
                                    
                                    1.4%
                                 | |
| 1994 | 78 | 
                                    
                                    1.7%
                                 | |
| 1995 | 93 | 
                                    
                                    2.1%
                                 | |
| 1996 | 60 | 
                                    
                                    1.3%
                                 | |
| 1997 | 70 | 
                                    
                                    1.6%
                                 | |
| 1998 | 95 | 
                                    
                                    2.1%
                                 | |
| 1999 | 91 | 
                                    
                                    2%
                                 | |
| 2000 | 129 | 
                                    
                                    2.9%
                                 | |
| 2001 | 89 | 
                                    
                                    2%
                                 | |
| 2002 | 86 | 
                                    
                                    1.9%
                                 | |
| 2003 | 78 | 
                                    
                                    1.7%
                                 | |
| 2004 | 105 | 
                                    
                                    2.3%
                                 | |
| 2005 | 99 | 
                                    
                                    2.2%
                                 | |
| 2006 | 91 | 
                                    
                                    2%
                                 | |
| 2007 | 94 | 
                                    
                                    2.1%
                                 | |
| 2008 | 98 | 
                                    
                                    2.2%
                                 | |
| 2009 | 70 | 
                                    
                                    1.6%
                                 | |
| 2010 | 192 | 
                                    
                                    4.3%
                                 | |
| 2011 | 100 | 
                                    
                                    2.2%
                                 | |
| 2012 | 73 | 
                                    
                                    1.6%
                                 | |
| 2013 | 66 | 
                                    
                                    1.5%
                                 | |
| 2014 | 39 | 
                                    
                                    0.9%
                                 | |
| 2015 | 6 | 
                                    
                                    0.1%
                                 | |
| 2147483622 | Not applicable | 0 | 
                                    
                                    0%
                                 | 
| 2147483623 | Refusal | 0 | 
                                    
                                    0%
                                 | 
| 2147483624 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 2147483625 | No answer | 0 | 
                                    
                                    0%
                                 | 
| 10001 | .D | 35703 |