Year	current US$
1970	91180000.12077391
1971	108490001.93923712
1972	127810000.74557962
1973	174770001.68524688
1974	205129998.01710224
1975	246260001.46381542
1976	224869998.11977154
1977	255190000.13358936
1978	299590008.0278514
1979	418149999.7153874
1980	425010004.56511945
1981	340119999.9842797
1982	267649996.38125318
1983	242070000.1567603
1984	224150002.24113464
1985	236259999.1392345
1986	310000005.5208806
1987	331570002.82034314
1988	329309994.77021444
1989	246829998.68877232
1990	381249999.21023846
1991	518809994.9136372
1992	461329998.32555646
1993	344790000.5672127
1994	328260001.666844
1995	336900000.4399567
1996	353410000.3261118
1997	299060002.9658526
1998	372500002.97650695
1999	263029999.44984907
2000	311470002.03095376
2001	321699997.2201883
2002	465259997.0009179
2003	1113590004.1032586
2004	638019986.5642935
2005	965019998.5112996
2006	1002920007.3573745
2007	757360007.7759477
2008	903550005.396828
2009	919550004.4319781
2010	1351359986.7019804
2011	955050002.3700293
2012	887910005.1745776
2013	689119999.9675151
2014	666709997.0672283
2015	560279997.1401689
2016	685249998.8321214
2017	577980004.1820858
2018	630719996.3014574
2019	564360003.5905834
2020	573250001.924113
2021	646130001.5337758
2022	597179996.0434437