Year	current US$
1970	62709999.85560776
1971	80340000.42267141
1972	71670001.10261138
1973	112770000.91597438
1974	124729998.43023716
1975	270460002.68310314
1976	151479998.0390817
1977	199969999.00788072
1978	220949996.30749226
1979	294399999.13051724
1980	323740001.0339917
1981	317279997.5629896
1982	359209996.7487156
1983	406460000.3473461
1984	348890001.4758111
1985	376859995.7004189
1986	338269995.510578
1987	364449996.2627887
1988	416869998.68601555
1989	395959997.6427853
1990	473919996.7626482
1991	689170003.5426767
1992	644819994.3304063
1993	431699998.18503886
1994	355910002.01739365
1995	480540008.6343288
1996	154000001.73598528
1997	120319998.18980692
1998	143989999.48799616
1999	194460001.36807576
2000	180920000.30167404
2001	150690000.59366232
2002	142050001.02333722
2003	121460000.39204954
2004	113209999.21858312
2005	252469998.85886884
2006	176110000.13351443
2007	112040001.15208325
2008	129620000.07927422
2009	123899999.06904987
2010	93409999.21783802
2011	164910000.39875504
2012	135973460.64820883
2013	121531784.26204242
2014	120776972.58302942
2015	103510692.52565499
2016	117060328.95669332
2017	85909190.27477509
2018	61098297.422751755
2019	131343470.05933522
2020	140254762.68772048
2021	129871329.41861632
2022	159293978.63894692