| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 15 |
2.5%
|
| -8 | Refusal | 0 |
0%
|
| -7 | Does not apply | 0 |
0%
|
| 1800 | 3 |
0.5%
|
|
| 1806 | 1 |
0.2%
|
|
| 1822 | 1 |
0.2%
|
|
| 1853 | 1 |
0.2%
|
|
| 1860 | 1 |
0.2%
|
|
| 1869 | 2 |
0.3%
|
|
| 1876 | 1 |
0.2%
|
|
| 1878 | 1 |
0.2%
|
|
| 1883 | 1 |
0.2%
|
|
| 1885 | 1 |
0.2%
|
|
| 1888 | 1 |
0.2%
|
|
| 1890 | 1 |
0.2%
|
|
| 1894 | 1 |
0.2%
|
|
| 1896 | 2 |
0.3%
|
|
| 1897 | 2 |
0.3%
|
|
| 1898 | 1 |
0.2%
|
|
| 1899 | 1 |
0.2%
|
|
| 1900 | 1 |
0.2%
|
|
| 1901 | 1 |
0.2%
|
|
| 1902 | 1 |
0.2%
|
|
| 1904 | 1 |
0.2%
|
|
| 1905 | 1 |
0.2%
|
|
| 1907 | 1 |
0.2%
|
|
| 1911 | 2 |
0.3%
|
|
| 1914 | 3 |
0.5%
|
|
| 1916 | 1 |
0.2%
|
|
| 1917 | 2 |
0.3%
|
|
| 1918 | 3 |
0.5%
|
|
| 1919 | 2 |
0.3%
|
|
| 1920 | 3 |
0.5%
|
|
| 1921 | 1 |
0.2%
|
|
| 1922 | 2 |
0.3%
|
|
| 1923 | 1 |
0.2%
|
|
| 1924 | 3 |
0.5%
|
|
| 1926 | 2 |
0.3%
|
|
| 1927 | 4 |
0.7%
|
|
| 1928 | 3 |
0.5%
|
|
| 1930 | 2 |
0.3%
|
|
| 1932 | 1 |
0.2%
|
|
| 1933 | 1 |
0.2%
|
|
| 1934 | 4 |
0.7%
|
|
| 1935 | 4 |
0.7%
|
|
| 1936 | 1 |
0.2%
|
|
| 1937 | 2 |
0.3%
|
|
| 1939 | 2 |
0.3%
|
|
| 1940 | 2 |
0.3%
|
|
| 1941 | 3 |
0.5%
|
|
| 1942 | 1 |
0.2%
|
|
| 1943 | 1 |
0.2%
|
|
| 1944 | 3 |
0.5%
|
|
| 1945 | 3 |
0.5%
|
|
| 1946 | 6 |
1%
|
|
| 1947 | 2 |
0.3%
|
|
| 1948 | 1 |
0.2%
|
|
| 1949 | 2 |
0.3%
|
|
| 1950 | 3 |
0.5%
|
|
| 1951 | 3 |
0.5%
|
|
| 1952 | 1 |
0.2%
|
|
| 1953 | 2 |
0.3%
|
|
| 1954 | 8 |
1.3%
|
|
| 1955 | 2 |
0.3%
|
|
| 1956 | 3 |
0.5%
|
|
| 1958 | 7 |
1.2%
|
|
| 1959 | 3 |
0.5%
|
|
| 1960 | 3 |
0.5%
|
|
| 1962 | 5 |
0.8%
|
|
| 1963 | 5 |
0.8%
|
|
| 1964 | 4 |
0.7%
|
|
| 1965 | 10 |
1.7%
|
|
| 1966 | 3 |
0.5%
|
|
| 1967 | 7 |
1.2%
|
|
| 1968 | 6 |
1%
|
|
| 1969 | 8 |
1.3%
|
|
| 1970 | 5 |
0.8%
|
|
| 1971 | 1 |
0.2%
|
|
| 1972 | 8 |
1.3%
|
|
| 1973 | 10 |
1.7%
|
|
| 1974 | 6 |
1%
|
|
| 1975 | 10 |
1.7%
|
|
| 1976 | 6 |
1%
|
|
| 1977 | 6 |
1%
|
|
| 1978 | 4 |
0.7%
|
|
| 1979 | 5 |
0.8%
|
|
| 1980 | 6 |
1%
|
|
| 1981 | 5 |
0.8%
|
|
| 1982 | 7 |
1.2%
|
|
| 1983 | 12 |
2%
|
|
| 1984 | 6 |
1%
|
|
| 1985 | 7 |
1.2%
|
|
| 1986 | 10 |
1.7%
|
|
| 1987 | 8 |
1.3%
|
|
| 1988 | 7 |
1.2%
|
|
| 1989 | 3 |
0.5%
|
|
| 1990 | 6 |
1%
|
|
| 1991 | 14 |
2.3%
|
|
| 1992 | 14 |
2.3%
|
|
| 1993 | 8 |
1.3%
|
|
| 1994 | 14 |
2.3%
|
|
| 1995 | 5 |
0.8%
|
|
| 1996 | 8 |
1.3%
|
|
| 1997 | 8 |
1.3%
|
|
| 1998 | 21 |
3.5%
|
|
| 1999 | 14 |
2.3%
|
|
| 2000 | 14 |
2.3%
|
|
| 2001 | 8 |
1.3%
|
|
| 2002 | 13 |
2.2%
|
|
| 2003 | 14 |
2.3%
|
|
| 2004 | 22 |
3.7%
|
|
| 2005 | 8 |
1.3%
|
|
| 2006 | 9 |
1.5%
|
|
| 2007 | 8 |
1.3%
|
|
| 2008 | 17 |
2.8%
|
|
| 2009 | 12 |
2%
|
|
| 2010 | 5 |
0.8%
|
|
| 2011 | 12 |
2%
|
|
| 2012 | 9 |
1.5%
|
|
| 2013 | 6 |
1%
|
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