Year	current US$
1970	72850000.14118852
1971	81160001.41389668
1972	102620000.53934754
1973	122830002.16819347
1974	145109998.0641154
1975	170770001.1022387
1976	155789999.1925806
1977	176590001.05783397
1978	215750007.26059055
1979	279769998.7571682
1980	290280005.3525713
1981	225509999.07963023
1982	189139996.68136257
1983	154919998.97547072
1984	142190002.264455
1985	182429999.0441651
1986	238080005.7742748
1987	236900003.10912764
1988	241459994.7556858
1989	185039998.3618408
1990	273079999.0221858
1991	176839999.1020559
1992	221509999.6533245
1993	179569999.9220669
1994	185090000.26248407
1995	167089999.71859157
1996	160460000.47773123
1997	181520003.2144785
1998	226910002.76990232
1999	139099999.64758748
2000	163450000.5543232
2001	186849997.8203326
2002	294809995.1688201
2003	961900004.64581
2004	469479987.21897614
2005	367190000.0758467
2006	510860011.0076369
2007	524770006.21333754
2008	583060003.1409417
2009	671360006.8744273
2010	1123739989.5992131
2011	746679999.9475477
2012	742300004.1004274
2013	524000000.376254
2014	496149998.11723876
2015	416529996.79744226
2016	427099997.71602434
2017	421600004.66741675
2018	445929998.0234355
2019	406010003.88525385
2020	431220002.85796875
2021	504490000.3001088
2022	435749995.2800572