Year	current US$
1993	32330001.831054702
1994	292900000.08791673
1995	885009992.8062413
1996	666760000.7336586
1997	738329998.612404
1998	732680000.5901603
1999	939629997.8941679
2000	648910000.1007321
2001	531339994.01144725
2002	421599992.9197133
2003	467150001.68979186
2004	423439995.2478708
2005	433190005.2707643
2006	425030002.4710594
2007	368870003.40037054
2008	413760006.0235708
2009	356740000.8141994
2010	350239996.3997309
2011	561189992.1130387
2012	525040015.21505404
2013	472620004.2366981
2014	544029996.4323643
2015	292169992.5232675
2016	355840001.79357815
2017	382759998.8896402
2018	270200000.1668931
2019	326529995.7226962
2020	397040009.0608748
2021	550909999.3593993
2022	250579996.0400908