| Year | Total Registrations: |
|---|
| 2009 | 3060 |
| 2008 | 3318 |
| 2007 | 3587 |
| 2006 | 4079 |
| 2005 | 4303 |
| 2004 | 4712 |
| 2003 | 4864 |
| 2002 | 4945 |
| 2001 | 5025 |
| 2000 | 5540 |
| 1999 | 5300 |
| 1998 | 5558 |
| 1997 | 5687 |
| 1996 | 6592 |
| 1995 | 7393 |
| 1994 | 8636 |
| 1993 | 10181 |
| 1992 | 11512 |
| 1991 | 12214 |
| 1990 | 13405 |
| 1989 | 13378 |
| 1988 | 13324 |
| 1987 | 13022 |
| 1986 | 13292 |
| 1985 | 13959 |
| 1984 | 15489 |
| 1983 | 16827 |
| 1982 | 17754 |
| 1981 | 17760 |
| 1980 | 19109 |
| 1979 | 19259 |
| 1978 | 18853 |
| 1977 | 19538 |
| 1976 | 19546 |
| 1975 | 22661 |
| 1974 | 25823 |
| 1973 | 26927 |
| 1972 | 29273 |
| 1971 | 33154 |
| 1970 | 34045 |
| | Year | Total Registrations: |
|---|
| 1969 | 34312 |
| 1968 | 33210 |
| 1967 | 30810 |
| 1966 | 27149 |
| 1965 | 16206 |
| 1964 | 16181 |
| 1963 | 14381 |
| 1962 | 13355 |
| 1961 | 12727 |
| 1960 | 9902 |
| 1959 | 8768 |
| 1958 | 7458 |
| 1957 | 5984 |
| 1956 | 5328 |
| 1955 | 4535 |
| 1954 | 4428 |
| 1953 | 3630 |
| 1952 | 2877 |
| 1951 | 2134 |
| 1950 | 1633 |
| 1949 | 1250 |
| 1948 | 1046 |
| 1947 | 914 |
| 1946 | 754 |
| 1945 | 499 |
| 1944 | 406 |
| 1943 | 370 |
| 1942 | 233 |
| 1941 | 133 |
| 1940 | 92 |
| 1939 | 59 |
| 1938 | 55 |
| 1937 | 36 |
| 1936 | 29 |
| 1935 | 27 |
| 1934 | 25 |
| 1933 | 28 |
| 1932 | 10 |
| 1931 | 13 |
| 1930 | 13 |
| | Year | Total Registrations: |
|---|
| 1929 | 15 |
| 1928 | 11 |
| 1927 | 13 |
| 1926 | 11 |
| 1925 | 14 |
| 1924 | 11 |
| 1923 | 6 |
| 1922 | 10 |
| 1920 | 9 |
| 1919 | 7 |
| 1918 | 5 |
| 1916 | 5 |
| 1915 | 5 |
|
