Year	current US$
1995	61970753398.5864
1996	72220824729.8593
1997	74272678941.7389
1998	72400048529.1537
1999	72926375364.4384
2000	78979512742.7524
2001	84244337686.2981
2002	93719706565.6589
2003	97130799489.1064
2004	121493165159.294
2005	133303878149.742
2006	155842286429.037
2007	188775347617.903
2008	209038984118.541
2009	188280629856.136
2010	205891930584.769
2011	232255303596.224
2012	252130509047.582
2013	273526989181.647
2014	274548334436.652
2015	271511474377.489
2016	284801698170.945
2017	304416030950.307