Year	current US$
1970	446166666.6666666
1971	501500000
1972	563692307.6923077
1973	524899999.99999994
1974	840999999.9999999
1975	1077050000
1976	1250150000
1977	1461299999.9999998
1978	1756599999.9999998
1979	2166500000
1980	1991014927.8319957
1981	2573198791.695224
1982	2515804818.217797
1983	2299428723.9428577
1984	2665275673.8346877
1985	2335013760.6486616
1986	1753947749.4719758
1987	2031737175.872039
1988	2120465551.1127875
1989	2189364307.673396
1990	2244626471.0098467
1991	2490451565.7676015
1992	2681937855.930381
1993	2806323769.080227
1994	2890223042.140089
1995	3138050372.2443113
1996	3514319518.418354
1997	3901075166.0843453
1998	4394663704.124746
1999	4492171661.039624
2000	4380474233.052836
2001	4286816135.2715645
2002	4134533319.386332
2003	4145305553.462929
2004	4323993019.153226
2005	4470918150.64154
2006	4939385120.382066
2007	5577301752.779337
2008	6752418868.961462
2009	7544375042.735044
2010	8557932277.532908
2011	9828058680.442535
2012	10953916555.716352
2013	12328666439.942112
2014	13681985065.12301
2015	15172303241.678726
2016	16903472503.617945
2017	18280907033.285095
2018	19778856425.470333
2019	20742073039.073807
2020	19343217496.382053
2021	20435626917.510853
2022	21829513444.283646
2023	23526946381.475395