Year	current US$
1970	1919027.29454294
1971	1743235.48772556
1972	2059103.76199999
1973	8459654.10655231
1974	10329208.0797877
1975	2434965.24206128
1976	2759099.38601275
1977	1216899.6281274
1978	163635.309459057
1979	1886373.89858252
1980	5857057.26240948
1981	3295505.26238377
1982	1855439.31039066
1983	2385904.49857788
1984	921048.177926619
1985	629333.875514163
1986	905190.226175148
1987	1523400.17783161
1988	1387082.53694502
1989	498364.767204787
1990	507625.027116289
1991	887781.090368152
1992	614352.078810599
1993	401075.391164078
1994	71984.451527638
1995	94747.4401391827
1996	1164190.4372506
1997	79150.5940728651
1998	111257.982109342
1999	3581332.91887061
2000	5172333.92889313
2001	47153.7212452631
2002	2747090.99491556
2003	69523.9996966655
2004	8703073.76981597
2005	6206746.68522856
2006	13096572.3049966
2007	15961512.2597995
2008	4831583.77111349
2009	5356119.6614273
2010	82324786.2541068
2011	180792341.553125
2012	160430484.533609
2013	132349115.467153
2014	68450680.2273576
2015	12455945.59506
2016	23723991.3485324
2017	1268278.6826375
2018	7257140.88308174
2019	4564322.18374386
2020	4632233.08121629
2021	290679746.945684