Correct Aircraft Service Years and Numbers

[csThor]

E-1 - production began in January 1939
E-3 - production began in late 1939
E-4 - production began in spring 1940 (with the great majority of previous versions being re-equipped with MG-FF/M and relabeled E-4)

In August 1940 the majority of subtypes were already of the E-4 and E-1 type.