Year	current US$
1980	-136930873.10634756
1981	-297393272.07670116
1982	-282960277.2101517
1983	-321143081.72332263
1984	-270312091.5127132
1985	-246048174.99246788
1986	-60780999.56217623
1987	32772992.048550367
1988	-127789956.7702663
1989	-87618928.34262562
1990	-160201041.47779703
1991	-150688176.25864935
1992	-97858924.19035864
1993	-186861098.1618471
1994	-122570721.07195425
1995	-97015767.77329445
1996	136852006.76506758
1997	218068854.29094887
1998	502224680.05977964
1999	403162498.3356881
2000	144598683.97659636
2001	15485178.898561478
2002	385890770.1636467
2003	430114858.2511902
2004	121420512.0789814
2005	25720054.0003891
2006	-298497820.0112591
2007	-191512740.1944065
2008	-32721000.745344162
2009	134687491.9213724
2010	301698411.69373703
2011	665130015.7115879
2012	650114796.1074371
2013	555439392.4330215
2014	575347829.7301979
2015	817000745.6553888
2016	904742983.597908
2017	1037673565.1769066
2018	944609719.9639244
2019	591470060.2057514
2020	-68778043.12521935
2021	-530129997.8463268
2022	198266050.9126339
