Year	current US$
1960	941520089.8444653
1961	1191969750.0946238
1962	1390138322.6361232
1963	1619952234.536754
1964	998252873.5632185
1965	838644444.4444445
1966	924688888.888889
1967	903177777.7777778
1968	580600000
1969	473111111.11111116
1970	516111111.11111116
1971	813750000
1972	461863636.3636363
1973	1620302325.5813954
1974	6368744186.046512
1975	2160418604.6511626
1976	270069767.44186044
1977	-2880558139.5348835
1978	-5176000000
1979	720139534.8837209
1980	4658418604.651163
1981	3713232558.139535
1982	-2002883720.9302325
1983	6526279069.767442
1984	4494997624.703086
1985	3506506666.666667
1986	-251764948.45360836
1987	-877193103.4482758
1988	-3892310344.827586
1989	5491872207.542633
1990	9061996090.279005
1991	2651677958.644963
1992	-1494197416.5317779
1993	-129470323.82302736
1994	4841352861.952862
1995	3962482446.558362
1996	10367160076.683441
1997	6242961320.732949
1998	-1606083886.274998
1999	3677104296.5041895
2000	13625560566.62765
2001	4092931516.9640045
2002	11417950727.883537
2003	14324022551.706953
2004	19149631829.73475
2005	27924003349.682976
2006	26368750349.324642
2007	13964625523.98696
2008	31008694395.225216
2009	-7841993378.718642
2010	42952020030.16125
2011	32432802555.195488
2012	7391085491.80519
2013	-17614610714.639706
2014	-70922056745.48868