1997 0
1996 0
1992 0
1990 0
1989 0
1980 1
1970 1
1954 6
1949 0
1943 1
1933 0
1933 1
1928 0
1904 0
1898 0
1886 0
1868 1
1866 0
1862 1
1854 0
1848 0
1841 0
1835 0
1830 0