First Generation (1970-1972)

Second Generation (1973-1977)

Third Generation (1978-1980)

Fourth Generation (1981-1988)

Fifth Generation (1995-1999)

Sixth Generation (2000-?)

First Generation (1970-1972) Production Statistics

Second Generation (1973-1977) Production Statistics

Third Generation (1978-1980) Production Statistics

Fourth Generation (1981-1988) Production Statistics

Fifth Generation (1995-1996) Production Statistics