Year	current US$
1970	4222754697.009791
1971	4883423835.224143
1972	6036690874.456813
1973	8127807997.751071
1974	10716325088.339222
1975	11418675831.55566
1976	13387942011.198895
1977	16661465323.4535
1978	18958761489.623806
1979	23982629953.679874
1980	28828883216.33695
1981	25143195956.45412
1982	23075814309.91369
1983	23074387927.072163
1984	22995355202.530777
1985	24397666932.694866
1986	31708292924.740875
1987	39047892903.78755
1988	44657529254.429955
1989	47283383255.330215
1990	59578835773.931984
1991	61623796110.78374
1992	67252988980.716255
1993	60542945699.751564
1994	68853040597.51837
1995	83696833629.04326
1996	85017442162.7242
1997	80519032585.40985
1998	84196220542.46332
1999	84520548577.68358
2000	82889700573.01979
2001	84769006146.69302
2002	89249971240.9531
2003	109674879628.68605
2004	132415628187.46367
2005	143550314027.33066
2006	158881039267.6939
2007	187479970467.5457
2008	210948589023.36713
2009	168155373268.15222
2010	187341317488.66702
2011	220824764522.7631
2012	209525713468.41803
2013	217784703102.3261
2014	221810038046.11295
2015	188457898640.54288
2016	192280704252.10553
2017	212334568915.49448
2018	238694832569.741
2019	231775666667.45062
2020	209360297800.9033
2021	263771195732.5539
2022	290110887690.1373
2023	292291962994.10315