And here is for II:

The Godfather: Part II (1974) More at IMDbPro »
Budget
$13,000,000 (estimated)

Opening Weekend
$244,000 (USA)

Gross
$57,300,000 (USA)
AUD 45,084 (Australia) ( 1990)
HKD 677,755 (Hong Kong) ( 1975)
ESP 99,788,005 (Spain)
SEK 4,665,990 (Sweden)

Admissions
1,850,970 (Argentina)
1,328,923 (Spain)
275,833 (Sweden)

Rentals
$30,673,000 (USA)

Filming Dates
1 October 1973 - 19 June 1974