Year	current US$
1960	105060000.17747283
1961	107379999.09184878
1962	105820000.61124566
1963	113089998.16328286
1964	95299998.3727932
1965	121950002.10590664
1966	103009998.92503026
1967	62579999.92743139
1968	61990002.263337314
1969	54459998.29471111
1970	62420001.36338173
1971	71379998.93352392
1972	84549999.41214916
1973	185240001.2053549
1974	116700001.5731901
1975	466160000.9147077
1976	641559998.1583655
1977	797010001.8456578
1978	899400001.5240163
1979	1184430000.4597754
1980	892059997.8268151
1981	772120000.032708
1982	857439999.98644
1983	1344979999.0020692
1984	1255910000.026226
1985	1978399999.178946
1986	1937110001.064837
1987	1250800000.4142523
1988	1241010001.5252829
1989	1191760000.2847612
1990	1371890000.225976
1991	1749459993.40713
1992	2065699992.3884866
1993	1266029999.8000264
1994	1237070000.026375
1995	335450000.4779548
1996	2216619999.2951007
1997	1195989997.4651635
1998	1065579968.445008
1999	905040003.0985472
2000	799579991.0612404
2001	171909995.53538883
2002	756489998.0593475
2003	439760006.5916778
2004	478540005.56841516