Year	current US$
1970	16831032.01669745
1971	18780391.085006934
1972	21923948.96256897
1973	26875356.309407264
1974	34067434.01753308
1975	21367766.008275174
1976	19508267.905229427
1977	18161467.454257015
1978	21207998.211421628
1979	33576934.33412162
1980	36977484.05257338
1981	38890105.68283484
1982	41948808.59273758
1983	50220623.14445503
1984	94321363.03919971
1985	114074387.15131024
1986	120178995.94462313
1987	118649029.59991325
1988	158155947.63801935
1989	171914721.8228072
1990	193844535.17587942
1991	212896713.15712473
1992	248876377.86402655
1993	276917467.5318749
1994	313614051.7446
1995	379025480.0339847
1996	428503653.3559898
1997	480780305.86236197
1998	511936219.2013594
1999	558212710.2803738
2000	594339124.8937978
2001	845635526.2417352
2002	874367273.4375
2003	1016714804.6875
2004	1192946750
2005	1132462437.5
2006	1534500390.625
2007	1587767023.4375
2008	1989697750
2009	2089951648.4375
2010	2276923140.625
2011	2479686376.0107512
2012	2614016252.0456614
2013	2931310319.515368
2014	3342254340.168399
2015	3797041805.2298884
2016	4057032049.1231103
2017	4440841844.810371
2018	4911943788.372264
2019	5166269608.4174
2020	3406811511.663211
2021	4766561595.108418
2022	5610491124.596849
2023	5777247191.911349