Year	current US$
1970	211000000
1971	238000000
1972	247719978.32999998
1973	269739208.22
1974	276823417.65999997
1975	965676986.5999999
1976	1355273696.8999999
1977	2596234405.45
1978	4307035781.9
1979	5364265350.1
1980	6041857665.9
1981	5471128356.9
1982	5661148528.7
1983	6830427063.2
1984	7040190612.1
1985	6139836211.500001
1986	6118203063.3
1987	7410711334.4
1988	7205976288
1989	6481886749.400001
1990	9575357970.900002
1991	10868207719.65
1992	13816841294.949999
1993	13159204551.4
1994	11424883677.5
1995	11270768287.344967
1996	10548624278.373318
1997	10807536015.968573
1998	10816061251.550327
1999	10329440883.160229
2000	10469338651.0538
2001	11949360975.020786
2002	14891952683.06142
2003	19888766336.84685
2004	22536110258.797604
2005	21371933124.59447
2006	22987054773.286648
2007	27680353530.136196
2008	31196396502.801464
2009	29251239577.68275
2010	35030418066.13823
2011	36008749959.56525
2012	42399677732.82808
2013	44233607090.79125
2014	49836451241.91691
2015	46421553708.47525
2016	45561743581.76228
2017	51636846764.850105
2018	52141083312.3084
2019	53963365251.55058
2020	56888809028.70135
2021	63267802085.89885
2022	60240186130.92206