Year	current US$
1970	1387801445.922
1971	1834713172.44
1972	2126978380.3600001
1973	2230588135.09
1974	2039631810.88
1975	6331545403.92
1976	6836810817.45
1977	9028074692.25
1978	11496805928.03
1979	14066619244.529999
1980	16398645979.58
1981	14792673698.58
1982	14397167733.248901
1983	13150424222.71
1984	12530021946.58
1985	12552853296.380001
1986	16478518178.73
1987	19594307400.23
1988	22159414345.47
1989	23322039185.890003
1990	28031602439.15
1991	28279194930.820004
1992	30388186920.03
1993	29298589867.6734
1994	29187753043.325497
1995	31735748570.00665
1996	31860658604.083714
1997	35648931029.897
1998	36562773158.71951
1999	29920128531.335316
2000	29719401978.552708
2001	31573494344.44912
2002	35556406606.82224
2003	44902017891.33019
2004	53809096257.77507
2005	60201625398.711624
2006	67862508719.99607
2007	82202507282.501
2008	95741392834.75453
2009	90598051851.68799
2010	89365489768.94855
2011	99077075847.2093
2012	96604826159.05946
2013	110678083137.70895
2014	114815253597.44803
2015	105639425273.15886
2016	106538792334.95804
2017	114520032856.4703
2018	121571480337.60135
2019	126611054752.1666
2020	122092660845.74358
2021	133968159042.88907
2022	133014469415.33842