Year	current US$
1985	70000.0002980232
1986	140000.000596046
1987	550000.011920929
1988	620000.004768372
1989	990000.009536743
1990	460000.00834465
1991	490000.009536743
1992	529999.971389771
1993	-370000.00476837205
1994	280000.001192093
1995	959999.978542328
1996	-709999.978542328
1997	239999.994635582
1998	-90000.0035762787
1999	-439999.997615814
2000	1610000.01430511
2001	250000
2002	1840000.0333786
2003	759999.990463257
2004	1149999.97615814
2005	1720000.02861023
2006	1740000.0095367401
2007	-109999.999403954
2008	850000.023841858
2009	2740000.00953674
2010	2289999.96185303
2011	1299999.95231628
2012	1889999.98569489
2013	7239999.771118159
2014	4969999.79019165
2015	5961489.20059204
2016	1869946.36058807
2017	7138752.93731689
2018	5624519.82498169
2019	4717507.36236572
2020	7534619.33135986
2021	5054999.82833862
2022	4451539.99328613
