Year	constant 2015 US$
1999	83980556669.91847
2000	87155141045.17018
2001	91200237734.59946
2002	96674950866.79854
2003	100699434244.13557
2004	105331106706.16559
2005	108526047681.52649
2006	111783026085.40001
2007	110810782114.50511
2008	112313978978.45757
2009	107936916746.17168
2010	108691012066.2651
2011	109385684376.1467
2012	107835001766.7117
2013	111580252244.18927
2014	114815624390.28757
2015	119182529780.81677
2016	124874938365.56792
2017	127668279204.89023
2018	133503530341.08096
2019	142067877787.2249
2020	138210126157.8943
2021	143194761057.1631
2022	142895641506.09045