Information on Fawcett Comics' annual sales of Captain Midnight from 1942 to the 1948 is taken from the book "Juvenile Delinquency" (from 1950).
CIRCULATION DATA
1942 - 777,193
1943 - 3,754,631
1944 - 2,933,700
1945 - 2,316,893
1946 - 3,110,396
1947 - 2,765,160
1948 - 1,683,353