Year	constant 2010 US$
1999	46322057225.7385
2000	48026344512.6129
2001	47179698570.1011
2002	46727316322.5252
2003	52809344317.7121
2004	55165501857.1698
2005	61714049045.1692
2006	65725799949.0192
2007	69900911108.9382
2008	71765417108.4958
2009	71198368527.333
2010	74773444900.5368
2011	28357141373.22
2012	63275999127.2361
2013	54670463262.268
2014	41549552060.4744
2015	37867414401.9124
2016	36808842612.8967
2017	46627921659.646
2018	50282731086.1697