Year	current US$
1976	-30500009.233195886
1977	-34668549.25364855
1978	-42664424.00949188
1979	-62557697.0146779
1980	-76623540.87406817
1981	-74812366.21337546
1982	-81786237.69675952
1983	-66533729.36393502
1984	-60717251.67650843
1985	-69452185.50073287
1986	-86273479.12638147
1987	-89982885.63159195
1988	-125775286.21451169
1989	-128840965.59391835
1990	-127016287.41404185
1991	-120966277.63026845
1992	-141252269.6655538
1993	-184730194.71264586
1994	-153186755.8052138
1995	-177157353.15735316
1996	-232469446.0653132
1997	-221777567.06567124
1998	-254863172.49767202
1999	-281686270.47262514
2000	-17385751.06623121
2001	-98365423.58552444
2002	-26503782.00277261
2003	46646621.18011367
2004	-33733781.81818182
2005	-165134600
2006	-123336845.60660268
2007	-13369511.689195441
2008	-123156431.53083833
2009	-94960690.49532916
2010	-151451558.06501573
2011	-149877966.5539997
2012	-175218189.4509725
2013	-94809967.48716122
2014	-208039149.18867788
2015	-104647893.08937824
2016	-159449947.01976115
2017	-161222455.53546122
2018	-207314588.75660378
2019	-162488390.07357526
2020	-281901645.83593386
2021	-345664876.90717363
2022	-193430838.17850673
2023	-239215326.51581943