Year	constant 2010 US$
1990	417362045312.434
1991	404090577633.995
1992	403877997133.738
1993	393059722976.629
1994	371776703692.913
1995	370176676002.14
1996	374334970563.295
1997	378162109794.303
1998	372663321394.787
1999	383662533698.075
2000	392590982943.151
2001	392932782170.282
2002	402978281756.71
2003	392665789105.008
2004	426627345263.133
2005	414166650390.192
2006	415272959394.627
2007	415407898613.471
2008	436815433394.516
2009	441109775203.495
2010	427358811561.521
2011	450427471971.514
2012	435458644213.124
2013	452472119726.204
2014	471396400407.109
2015	478460949620.644
2016	477933056737.062
2017	488835950184.427
2018	493464186968.009