Year	current US$
1977	75966011.94704399
1978	182875116.95985234
1979	186522708.2754416
1980	32127408.07107232
1981	41934765.1292429
1982	67980292.47447224
1983	37860274.03490618
1984	121967987.0346236
1985	-6018633.010881998
1986	38141423.25616367
1987	102681722.64799699
1988	165070470.44999328
1989	94781274.06836373
1990	26045184.730693676
1991	52063554.5921112
1992	-19403896.99674971
1993	-378113.9167161601
1994	47365691.022474594
1995	-28930063.733551767
1996	18554922.68414215
1997	-28779582.812919598
1998	16777588.52730124
1999	4834795.6452899445
2000	-60358391.494399026
2001	-1226146.9272018685
2002	33349007.985427413
2003	53593981.64193113
2004	71311796.94569588
2005	114754361.78978585
2006	-141251431.45401493
2007	247967661.2062953
2008	282491643.4965038
2009	222114387.82082734
2010	553258929.265156
2011	426826833.9637772
2012	198126800.0481498
2013	-633776384.6306825
2014	758422616.8205087
2015	4375187.361460206
2016	58071052.000757754
2017	-39510955.34697898
2018	-92495360.32257168
2019	119585619.66423728
2020	-24143700.826331664
2021	-150369160.63175857
2022	882119253.2617875