year count
1851  2
1852  4
1853  1
1854  3
1855  1
1856  2
1857  1
1858  1
1859  1
1860  3
1861  3
1862  0
1863  0
1864  0
1865  2
1866  1
1867  2
1868  0
1869  4
1870  3
1871  3
1872  0
1873  2
1874  1
1875  1
1876  2
1877  2
1878  2
1879  3
1880  4
1881  2
1882  3
1883  1
1884  0
1885  1
1886  7
1887  4
1888  4
1889  1
1890  0
1891  2
1892  0
1893  5
1894  2
1895  1
1896  3
1897  1
1898  3
1899  3
1900  1
1901  2
1902  0
1903  2
1904  2
1905  0
1906  4
1907  0
1908  2
1909  5
1910  2
1911  2
1912  2
1913  3
1914  0
1915  3
1916  6
1917  1
1918  1
1919  1
1920  2
1921  2
1922  0
1923  1
1924  2
1925  1
1926  3
1927  0
1928  2
1929  2
1930  0
1931  0
1932  2
1933  5
1934  2
1935  2
1936  3
1937  0
1938  2
1939  1
1940  2
1941  2
1942  2
1943  1
1944  3
1945  3
1946  1
1947  3
1948  3
1949  3
1950  3
1951  0
1952  1
1953  3
1954  3
1955  3
1956  1
1957  1
1958  0
1959  3
1960  2
1961  1
1962  0
1963  1
1964  4
1965  1
1966  2
1967  1
1968  1
1969  2
1970  1
1971  3
1972  1
1973  0
1974  1
1975  1
1976  1
1977  1
1978  0
1979  3
1980  1
1981  0
1982  0
1983  1
1984  1
1985  6
1986  2
1987  1
1988  1
1989  3
1990  0
1991  1
1992  1
1993  1
1994  0
1995  2
1996  2
1997  1
1998  3
1999  3
2000  0
2001  0
2002  1
2003  2
2004  6
2005  6