Year	current US$
1960	117560142.17034605
1961	136345561.56513026
1962	181078045.97353274
1963	149075892.65923288
1964	157310552.4890955
1965	152128949.22422427
1966	168180399.3610941
1967	193804154.20024657
1968	243873985.20054528
1969	358573643.4545171