Year	current US$
1990	101997873.106258
1991	94721904.6112618
1992	90075663.0005663
1993	47681529.786716
1994	56468096.2380913
1995	35702413.9873979
1996	-8954064.73552274
1997	20107793.5287047
1998	-20062370.6073618
1999	-41532664.7000909
2000	131053328.571523
2001	202257013.222501
2002	109742201.829679
2003	181967886.962577
2004	220963680.901429
2005	479216494.676663
2006	355755355.418707
2007	449098097.461483
2008	94327091.9578153
2009	-82075067.1551065
2010	-253917748.844864
2011	-640764908.359152
2012	-114769829.796516
2013	166257897.560093
2014	195249489.842884
2015	162239351.513103
2016	45508681.7003709
2017	11819800.4915088
2018	132561043.680684
2019	-1927113.02280116
2020	18045069.1545158
2021	203759717.721061