Year	current US$
1994	-459701487.944518
1995	-182070903.457088
1996	-110096476.446083
1997	84914033.0749569
1998	269639768.324659
1999	343785316.498402
2000	201102793.102076
2001	141428107.008663
2002	60095660.0545385
2003	114138545.108809
2004	325888905.70232
2005	488115934.420113
2006	583325399.261381
2007	660090630.06282
2008	918900559.84884
2009	768517967.582047
2010	825365039.453419
2011	1150146805.07843
2012	1291770458.3312
2013	1230445268.8527
2014	1731102076.93234
2015	2222611259.66213
2016	2169375973.96897
2017	2264216224.47472
2018	2087097118.50205
2019	2176059678.83257
2020	2082505987.70346
2021	1625565365.08489