Year	current US$
1979	0
1980	0
1981	0
1982	0
1983	4650000.09536743
1984	1960000.03814697
1985	1419999.95708466
1986	3390000.01549721
1987	7679999.82833862
1988	-70000.0002980232
1989	1399999.96125698
1990	99999.9940395355
1991	-1430000.0667571998
1992	-3879999.91327524
1993	180000.096559525
1994	509999.99046325695
1995	-2979999.78065491
1996	630000.077188015
1997	3450000.02160668
1998	-3649999.9538064
1999	1790000.02518296
2000	2739999.9126792
2001	-120000.012218952
2002	-1369999.98241663
2003	3050000.04172325
2004	-3889999.98569489
2005	-610000.014305115
2006	1890000.07510185
2007	5709999.78110194
2008	530000.008642673
2009	-3450000.01043081
2010	-629999.995231628
2011	-1870000.01966953
2012	-2799999.95231628
2013	219999.983906746
2014	440000.03859400697
2015	-74149.027466774
2016	-194923.982024193
2017	-523054.480552673
2018	707009.971141815
2019	-193259.343504906
2020	-237887.874245644
2021	-365000.009536743
2022	2064280.03311157