Year	current US$
1995	427569633700.0696
1996	462736740565.20776
1997	464896618109.9894
1998	466970573658.91425
1999	488384902437.088
2000	498881216562.66815
2001	489572220889.8738
2002	508711745097.4413
2003	562566105249.479
2004	665727022290.033
2005	711943796327.4344
2006	771324763902.301
2007	887563033324.707
2008	973268104596.0941
2009	891586482476.6648
2010	966554388086.0863
2011	1082394148108.9801
2012	1118388463244.17
2013	1206351190571.4053
2014	1266655846783.1104
2015	1216223334256.7883
2016	1237510367215.815
2017	1339009399863.0176
2018	1449271120093.3076
2019	1465469366266.3687