| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 13 |
1.3%
|
| 1843 | 1 |
0.1%
|
|
| 1858 | 1 |
0.1%
|
|
| 1861 | 1 |
0.1%
|
|
| 1871 | 1 |
0.1%
|
|
| 1873 | 1 |
0.1%
|
|
| 1875 | 1 |
0.1%
|
|
| 1884 | 1 |
0.1%
|
|
| 1890 | 1 |
0.1%
|
|
| 1896 | 3 |
0.3%
|
|
| 1897 | 3 |
0.3%
|
|
| 1899 | 1 |
0.1%
|
|
| 1901 | 1 |
0.1%
|
|
| 1902 | 1 |
0.1%
|
|
| 1903 | 1 |
0.1%
|
|
| 1916 | 1 |
0.1%
|
|
| 1918 | 1 |
0.1%
|
|
| 1919 | 1 |
0.1%
|
|
| 1920 | 1 |
0.1%
|
|
| 1924 | 1 |
0.1%
|
|
| 1925 | 1 |
0.1%
|
|
| 1927 | 2 |
0.2%
|
|
| 1928 | 2 |
0.2%
|
|
| 1929 | 3 |
0.3%
|
|
| 1930 | 2 |
0.2%
|
|
| 1931 | 1 |
0.1%
|
|
| 1932 | 2 |
0.2%
|
|
| 1933 | 2 |
0.2%
|
|
| 1934 | 2 |
0.2%
|
|
| 1935 | 1 |
0.1%
|
|
| 1936 | 1 |
0.1%
|
|
| 1937 | 1 |
0.1%
|
|
| 1938 | 1 |
0.1%
|
|
| 1939 | 2 |
0.2%
|
|
| 1940 | 3 |
0.3%
|
|
| 1941 | 3 |
0.3%
|
|
| 1942 | 3 |
0.3%
|
|
| 1943 | 4 |
0.4%
|
|
| 1945 | 2 |
0.2%
|
|
| 1946 | 2 |
0.2%
|
|
| 1947 | 3 |
0.3%
|
|
| 1948 | 2 |
0.2%
|
|
| 1949 | 2 |
0.2%
|
|
| 1950 | 1 |
0.1%
|
|
| 1951 | 3 |
0.3%
|
|
| 1952 | 1 |
0.1%
|
|
| 1953 | 1 |
0.1%
|
|
| 1954 | 3 |
0.3%
|
|
| 1956 | 2 |
0.2%
|
|
| 1957 | 2 |
0.2%
|
|
| 1958 | 4 |
0.4%
|
|
| 1959 | 1 |
0.1%
|
|
| 1960 | 3 |
0.3%
|
|
| 1961 | 3 |
0.3%
|
|
| 1962 | 3 |
0.3%
|
|
| 1964 | 5 |
0.5%
|
|
| 1965 | 4 |
0.4%
|
|
| 1966 | 2 |
0.2%
|
|
| 1967 | 4 |
0.4%
|
|
| 1968 | 3 |
0.3%
|
|
| 1969 | 1 |
0.1%
|
|
| 1970 | 3 |
0.3%
|
|
| 1971 | 2 |
0.2%
|
|
| 1973 | 6 |
0.6%
|
|
| 1974 | 1 |
0.1%
|
|
| 1975 | 3 |
0.3%
|
|
| 1976 | 2 |
0.2%
|
|
| 1977 | 1 |
0.1%
|
|
| 1978 | 2 |
0.2%
|
|
| 1981 | 2 |
0.2%
|
|
| 1982 | 2 |
0.2%
|
|
| 1984 | 1 |
0.1%
|
|
| 1985 | 3 |
0.3%
|
|
| 1986 | 2 |
0.2%
|
|
| 1987 | 3 |
0.3%
|
|
| 1988 | 10 |
1%
|
|
| 1989 | 12 |
1.2%
|
|
| 1990 | 12 |
1.2%
|
|
| 1991 | 67 |
6.7%
|
|
| 1992 | 80 |
8%
|
|
| 1993 | 70 |
7%
|
|
| 1994 | 52 |
5.2%
|
|
| 1995 | 34 |
3.4%
|
|
| 1996 | 48 |
4.8%
|
|
| 1997 | 41 |
4.1%
|
|
| 1998 | 62 |
6.2%
|
|
| 1999 | 41 |
4.1%
|
|
| 2000 | 57 |
5.7%
|
|
| 2001 | 42 |
4.2%
|
|
| 2002 | 54 |
5.4%
|
|
| 2003 | 56 |
5.6%
|
|
| 2004 | 42 |
4.2%
|
|
| 2005 | 35 |
3.5%
|
|
| 2006 | 18 |
1.8%
|
|
| 2007 | 9 |
0.9%
|
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