Year	current US$
1992	9700000.025331974
1993	28300000.054761767
1994	52959999.23162158
1995	60529998.32853675
1996	32920000.24765731
1997	21719999.913126227
1998	28599999.63082374
1999	59949998.4588474
2000	66860000.565648064
2001	83459997.45838346
2002	97650000.51818791
2003	88950000.30286613
2004	86679997.91912732
2005	126259999.72224237
2006	112619999.0678578
2007	164620003.2383204
2008	202329999.54186386
2009	206939999.6269493
2010	235729999.59439036
2011	276500000.14528674
2012	313250000.5289916
2013	274919994.91490394
2014	420610002.1917379
2015	270090001.9966064
2016	207090000.445023
2017	217319998.29411507
2018	207360003.31491277
2019	270989996.4183568
2020	360659994.0732118
2021	448840006.7631161
2022	699710010.9606978