933 car makes
1968 > 1974
1967 > 1979
1988 > 1988
1968 > present 1983 > present 
1969 > present 1939 > 1952 
1912 > 1923
1926 > 1929 1926 > 1947 
1871 > 1934 1959 > present 1949 > 1951 1999 > present 1981 > 1990 1920 > 1922 
1964 > 1991 1913 > 1915 1956 > 1960 1944 > 1976 
