Year	current US$
2005	41773152256.118744
2006	44332014043.29209
2007	54622195652.75037
2008	67079385619.12794
2009	59010242913.031364
2010	60031123027.84756
2011	71837770175.76677
2012	76682096686.56372
2013	87652930165.55942
2014	85866543243.69641
2015	72231918238.84084
2016	64794278566.634254
2017	77226677470.12177
2018	89044934207.67484
2019	93373739042.88232