| Value | Category | Cases | |
|---|---|---|---|
| 1906 | 1 |
0%
|
|
| 1907 | 1 |
0%
|
|
| 1908 | 2 |
0%
|
|
| 1910 | 6 |
0%
|
|
| 1912 | 3 |
0%
|
|
| 1913 | 1 |
0%
|
|
| 1914 | 7 |
0%
|
|
| 1915 | 3 |
0%
|
|
| 1916 | 1 |
0%
|
|
| 1917 | 7 |
0%
|
|
| 1918 | 12 |
0%
|
|
| 1919 | 9 |
0%
|
|
| 1920 | 27 |
0.1%
|
|
| 1921 | 11 |
0%
|
|
| 1922 | 16 |
0%
|
|
| 1923 | 17 |
0%
|
|
| 1924 | 19 |
0.1%
|
|
| 1925 | 29 |
0.1%
|
|
| 1926 | 39 |
0.1%
|
|
| 1927 | 39 |
0.1%
|
|
| 1928 | 47 |
0.1%
|
|
| 1929 | 40 |
0.1%
|
|
| 1930 | 96 |
0.3%
|
|
| 1931 | 62 |
0.2%
|
|
| 1932 | 69 |
0.2%
|
|
| 1933 | 74 |
0.2%
|
|
| 1934 | 77 |
0.2%
|
|
| 1935 | 86 |
0.3%
|
|
| 1936 | 82 |
0.2%
|
|
| 1937 | 79 |
0.2%
|
|
| 1938 | 113 |
0.3%
|
|
| 1939 | 127 |
0.4%
|
|
| 1940 | 179 |
0.5%
|
|
| 1941 | 104 |
0.3%
|
|
| 1942 | 123 |
0.4%
|
|
| 1943 | 127 |
0.4%
|
|
| 1944 | 148 |
0.4%
|
|
| 1945 | 130 |
0.4%
|
|
| 1946 | 152 |
0.4%
|
|
| 1947 | 175 |
0.5%
|
|
| 1948 | 202 |
0.6%
|
|
| 1949 | 169 |
0.5%
|
|
| 1950 | 233 |
0.7%
|
|
| 1951 | 196 |
0.6%
|
|
| 1952 | 273 |
0.8%
|
|
| 1953 | 249 |
0.7%
|
|
| 1954 | 243 |
0.7%
|
|
| 1955 | 221 |
0.6%
|
|
| 1956 | 291 |
0.8%
|
|
| 1957 | 271 |
0.8%
|
|
| 1958 | 279 |
0.8%
|
|
| 1959 | 270 |
0.8%
|
|
| 1960 | 313 |
0.9%
|
|
| 1961 | 280 |
0.8%
|
|
| 1962 | 336 |
1%
|
|
| 1963 | 316 |
0.9%
|
|
| 1964 | 347 |
1%
|
|
| 1965 | 349 |
1%
|
|
| 1966 | 311 |
0.9%
|
|
| 1967 | 313 |
0.9%
|
|
| 1968 | 342 |
1%
|
|
| 1969 | 352 |
1%
|
|
| 1970 | 369 |
1.1%
|
|
| 1971 | 326 |
1%
|
|
| 1972 | 395 |
1.2%
|
|
| 1973 | 385 |
1.1%
|
|
| 1974 | 355 |
1%
|
|
| 1975 | 437 |
1.3%
|
|
| 1976 | 410 |
1.2%
|
|
| 1977 | 389 |
1.1%
|
|
| 1978 | 384 |
1.1%
|
|
| 1979 | 456 |
1.3%
|
|
| 1980 | 493 |
1.4%
|
|
| 1981 | 442 |
1.3%
|
|
| 1982 | 545 |
1.6%
|
|
| 1983 | 569 |
1.7%
|
|
| 1984 | 562 |
1.6%
|
|
| 1985 | 647 |
1.9%
|
|
| 1986 | 666 |
1.9%
|
|
| 1987 | 644 |
1.9%
|
|
| 1988 | 759 |
2.2%
|
|
| 1989 | 688 |
2%
|
|
| 1990 | 780 |
2.3%
|
|
| 1991 | 784 |
2.3%
|
|
| 1992 | 739 |
2.2%
|
|
| 1993 | 754 |
2.2%
|
|
| 1994 | 808 |
2.4%
|
|
| 1995 | 764 |
2.2%
|
|
| 1996 | 807 |
2.4%
|
|
| 1997 | 761 |
2.2%
|
|
| 1998 | 724 |
2.1%
|
|
| 1999 | 768 |
2.2%
|
|
| 2000 | 753 |
2.2%
|
|
| 2001 | 706 |
2.1%
|
|
| 2002 | 680 |
2%
|
|
| 2003 | 795 |
2.3%
|
|
| 2004 | 783 |
2.3%
|
|
| 2005 | 804 |
2.3%
|
|
| 2006 | 833 |
2.4%
|
|
| 2007 | 834 |
2.4%
|
|
| 2008 | 774 |
2.3%
|
|
| 2009 | 688 |
2%
|
|
| 2010 | 456 |
1.3%
|
|
| 2011 | 28 |
0.1%
|
|
| 2017 | 1 |
0%
|
|
| 2222 | Not asked in phase 2 | 0 |
0%
|
| 3333 | Missing | 5 |
0%
|
| 5555 | Can't remember | 0 |
0%
|
| 7777 | Never | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't Know | 45 |
0.1%
|