Year	current US$
1980	-9781526.386692438
1981	-2334159.5882768203
1982	-2484198.8192250123
1983	-14008262.050920801
1984	-6187644.865464073
1985	-25171646.295457974
1986	-35666255.743584
1987	-37251135.649846606
1988	-36542623.484572805
1989	-36848727.18498474
1990	-40961899.88040321
1991	-28581661.891117476
1992	-18960773.2467899
1993	-17371135.292521033
1994	-18323955.15656544
1995	-20426184.76331493
1996	-17552967.713638682
1997	4436005.868645896
1998	-26647322.916462447
1999	-44160371.87681581
2000	-23931417.005137473
2001	-30589247.311827958
2002	-18584992.680910915
2003	-15770628.831605015
2004	-27399588.51417837
2005	-37154735.22912311
2006	-30739103.347134054
2007	-36129347.16290421
2008	-75729640.13213827
2009	-43722724.17997713
2010	-42835398.77315744
2011	-44562838.05570695
2012	-13687761.435703684
2013	-23100721.897559296
2014	-19583469.190860808
2015	-153336340.29884824
2016	-92233233.46393178
2017	-89806392.05412187
2018	-138555802.6596469
2019	12245876.27742793
2020	-287103484.1393656
2021	-409510975.0805144
2022	-410467205.8947075