Year	current US$
1960	913998175.9044863
1961	989903847.9133139
1962	1106707354.1182492
1963	1215752796.128871
1964	1370286699.3547516
1965	1464502125.8532753
1966	1411484684.417315
1967	1621906385.2698822
1968	1797448807.2161927
1969	2336771142.5369654