Year	current US$
1995	1023464063.98164
1996	1342285334.23917
1997	881596254.859834
1998	1184887706.86327
1999	980452914.302941
2000	454377407.300957
2001	695756342.952111
2002	1390772984.37369
2003	1050860924.4814
2004	1229400456.37379
2005	1353407954.15337
2006	2036989386.42396
2007	3194973077.95994
2008	3829726267.09315
2009	2953449441.94045
2010	4287336069.6642
2011	6051074871.60099
2012	4385427136.60609
2013	6801271659.99435
2014	6744818227.31026
2015	6159031718.02681
2016	6942538409.67516
2017	7648642942.68614
2018	7028502259.27027
2019	6101849826.92826
2020	5843925779.09815
2021	6765949848.93403