Year	constant 2015 US$
2001	601724342827.8767
2002	603908269039.8014
2003	694413003391.2944
2004	773229623187.3842
2005	838534787563.6588
2006	895924936119.5178
2007	946694823637.3743
2008	1015368626261.591
2009	953062620800.62
2010	1043740995585.7784
2011	927018174375.7003
2012	1012233297738.5914
2013	1024781729573.4038
2014	1014106248819.4869
2015	1042989322707.6421
2016	1066287335947.47
2017	1105127816487.7258
2018	1212415244412.011
2019	1189893408222.0635
2020	1036859057182.2782