Year	current US$
1970	1530081479.30847
1971	1473118747.86605
1972	1705740924.31635
1973	2042446592.1404
1974	2539604177.46488
1975	2159918521.15007
1976	2458955723.97437
1977	3030380142.18978
1978	3427754878.62835
1979	3982708460.47745
1980	4855823760.41456
1981	5031920552.69111
1982	6103846029.58851
1983	6853895143.72663
1984	5695927200.19687
1985	6708980237.88551
1986	7427230468.38462
1987	8033408183.19003
1988	7924049495.56183
1989	9655894857.76958
1990	11087136638.1313
1991	9043843629.06528
1992	9365377981.17471
1993	8814224328.9855
1994	10016370252.2255
1995	11043822268.237
1996	11287149942.0576
1997	11957107133.3618
1998	15752366335.5381
1999	19530632059.0688
2000	19468397452.3488
2001	19051871755.4128
2002	19011569916.595
2003	20959933862.2025
2004	22681027718.6313
2005	25493312285.4756
2006	28733790539.2837
2007	37318531922.9541
2008	36705512298.9999
2009	41083414970.792
2010	51055937863.9741
2011	55656176269.5649
2012	55630271996.3794
2013	56474927954.145
2014	62062473601.1539
2015	64038815632.8816
2016	69236555820.6106
2017	80782233054.7817
2018	82359026084.9171
2019	86372858748.975
2020	81058157535.5952
2021	96307365993.7959