| Year | Total Registrations: |
| 2009 | 222 |
| 2008 | 240 |
| 2007 | 260 |
| 2006 | 264 |
| 2005 | 233 |
| 2004 | 287 |
| 2003 | 291 |
| 2002 | 263 |
| 2001 | 315 |
| 2000 | 311 |
| 1999 | 333 |
| 1998 | 311 |
| 1997 | 313 |
| 1996 | 349 |
| 1995 | 375 |
| 1994 | 441 |
| 1993 | 477 |
| 1992 | 508 |
| 1991 | 496 |
| 1990 | 596 |
| 1989 | 621 |
| 1988 | 608 |
| 1987 | 613 |
| 1986 | 626 |
| 1985 | 718 |
| 1984 | 682 |
| 1983 | 758 |
| 1982 | 830 |
| 1981 | 787 |
| 1980 | 895 |
| 1979 | 888 |
| 1978 | 914 |
| 1977 | 933 |
| 1976 | 982 |
| 1975 | 974 |
| 1974 | 1102 |
| 1973 | 1174 |
| 1972 | 1278 |
| 1971 | 1625 |
| 1970 | 1801 |
| | Year | Total Registrations: |
| 1969 | 1782 |
| 1968 | 2088 |
| 1967 | 2319 |
| 1966 | 2666 |
| 1965 | 2959 |
| 1964 | 3537 |
| 1963 | 3793 |
| 1962 | 4070 |
| 1961 | 4730 |
| 1960 | 5074 |
| 1959 | 5235 |
| 1958 | 5535 |
| 1957 | 6407 |
| 1956 | 6866 |
| 1955 | 7240 |
| 1954 | 7797 |
| 1953 | 8141 |
| 1952 | 8625 |
| 1951 | 9057 |
| 1950 | 9565 |
| 1949 | 10410 |
| 1948 | 11310 |
| 1947 | 12746 |
| 1946 | 12790 |
| 1945 | 12317 |
| 1944 | 13381 |
| 1943 | 14780 |
| 1942 | 15039 |
| 1941 | 14557 |
| 1940 | 14866 |
| 1939 | 15171 |
| 1938 | 16338 |
| 1937 | 16571 |
| 1936 | 17663 |
| 1935 | 19392 |
| 1934 | 21283 |
| 1933 | 22036 |
| 1932 | 24971 |
| 1931 | 26506 |
| 1930 | 30388 |
| | Year | Total Registrations: |
| 1929 | 31465 |
| 1928 | 33725 |
| 1927 | 35984 |
| 1926 | 36601 |
| 1925 | 38573 |
| 1924 | 40004 |
| 1923 | 39019 |
| 1922 | 37703 |
| 1921 | 39088 |
| 1920 | 36638 |
| 1919 | 31733 |
| 1918 | 32027 |
| 1917 | 28851 |
| 1916 | 27413 |
| 1915 | 25151 |
| 1914 | 18776 |
| 1913 | 14668 |
| 1912 | 12638 |
| 1911 | 8868 |
| 1910 | 7315 |
| 1909 | 6250 |
| 1908 | 5703 |
| 1907 | 4966 |
| 1906 | 4326 |
| 1905 | 3939 |
| 1904 | 3477 |
| 1903 | 3078 |
| 1902 | 2707 |
| 1901 | 2173 |
| 1900 | 2494 |
| 1899 | 1687 |
| 1898 | 1671 |
| 1897 | 1472 |
| 1896 | 1366 |
| 1895 | 1127 |
| 1894 | 1052 |
| 1893 | 821 |
| 1892 | 626 |
| 1891 | 566 |
| 1890 | 458 |
| | Year | Total Registrations: |
| 1889 | 377 |
| 1888 | 373 |
| 1887 | 272 |
| 1886 | 231 |
| 1885 | 196 |
| 1884 | 163 |
| 1883 | 141 |
| 1882 | 115 |
| 1881 | 109 |
| 1880 | 112 |
|