Year	constant 2010 US$
1990	522398959744.03
1991	479688258397.593
1992	438667635666.235
1993	417392108992.828
1994	402491944635.296
1995	399640336364.26
1996	395153232296.694
1997	392380434899.212
1998	397892068302.683
1999	412242298765.937
2000	422747349737.707
2001	425127551092.564
2002	433417263742.327
2003	440162185755.422
2004	453832330097.648
2005	465521715496.112
2006	485240155600.807
2007	503660465709.369
2008	521742867389.914
2009	526902734946.546
2010	525329361232.077
2011	532267981725.362
2012	553901934751.51
2013	566242084339.459
2014	567882813288.525
2015	564046128214.967
2016	583997506878.481
2017	603021759133.281
2018	611807585473.98