Year	current US$
2000	512377408.99999994
2001	571021006
2002	472101852
2003	565470210
2004	717708345
2005	951955891
2006	1160299135
2007	1029845458
2008	961951970
2009	893581522
2010	987029185
2011	1145440803
2012	1237651123
2013	972657746
2014	1241162007
2015	846561405
2016	805282283
2017	1057642290.9999999
2018	1015195626
2019	937591887
2020	2232517894