Year	current US$
1970	18959999.987855546
1971	30769999.964162707
1972	23959999.58738685
1973	34110000.14655293
1974	50939999.83370304
1975	84020000.27894974
1976	62820000.41007992
1977	64369999.89300965
1978	96560000.07688999
1979	120049999.33391806
1980	119840000.56982037
1981	140660001.8236786
1982	131530000.64194196
1983	143800001.2282283
1984	202949998.49423766
1985	244990002.89663672
1986	148209999.5072931
1987	177040002.54534176
1988	233159999.76731825
1989	245610000.96797934
1990	311580002.66551965
1991	505779991.7459485
1992	773509992.4206729
1993	730339997.0829488
1994	691759999.2789333
1995	419479998.98344284
1996	131489997.9233742
1997	149109999.38100582
1998	94119999.94516374
1999	123990001.61886218
2000	136399999.49187043
2001	168379999.00057915
2002	171269999.7220188
2003	171150000.3449618
2004	116189999.65861447
2005	175640001.46090996
2006	181439998.8651276
2007	105539999.60981303
2008	156160000.09328133
2009	140159999.97965991
2010	123869998.02291399
2011	126540000.23752452
2012	196527293.42877853
2013	194194224.64910907
2014	132433159.02724859
2015	144723716.94073078
2016	147392531.15653986
2017	165455608.8261307
2018	118267258.18961859
2019	127484826.86467467
2020	134488457.5754404
2021	209059040.51661494
2022	177881542.11640352