Dealers 1958-Present

1958	1959	1960	1961
------1962	1963	-1964	1965
-1966	1967	1968	1969

1970	1971	1972	1973
1974	1975	1976	1977
1978	1979	1980	1981
1982	1983	1984	1985
1986	1987	1988	1989-91

1992-94		1995-97		1997-Present

The shift of the DL from the right to the left side occurred during the 1977 base.
Some 1977s were produced with the DL at the right.