All of the above and as everyone keeps forgetting, the lions share of hit songs in that golden era of music were recorded using a Fender guitar & bass. So much so that a bass-player credited playing an electric bass on an LP was listed as "Fender bass" (= electric bass)
These #'s are based on the serial numbers which aren't necessarily production #'s. So they're an upper limit for sure, but it gives a ballpark idea of the production numbers.
(from Invalid Link Removed)
SERIAL NUMBERS PRODUCTION DATES
Up to 6,000 1950 to 1954
Up to 10,000 1954 to 1956
10,000s 1955 to 1956
10,000s to 20,000s 1957
20,000s to 30,000s 1958
30,000s to 40,000s 1959
40,000s to 50,000s 1960
50,000s to 70,000s 1961
60,000s to 90,000s 1962
80,000s to 90,000s 1963
90,000s up to L10,000s 1963
L10,000s up to L20,000s 1963
L20,000s up to L50,000s 1964
L50,000s up to L90,000s 1965
100,000s 1965
100,000s to 200,000s 1966 to 1967
200,000s 1968
200,000s to 300,000s 1969 to 1970
300,000s 1971 to 1972
300,000s to 500,000s 1973
400,000s to 500,000s 1974 to 1975
500,000s to 700,000s 1976