Year	constant 2010 US$
1995	43269399656.05
1996	41401751734.2846
1997	40992321968.3484
1998	38667957370.2829
1999	37230140918.1263
2000	34996493812.009
2001	38901755171.6373
2002	38547771641.5864
2003	39333324871.8482
2004	44986038726.0411
2005	42288934012.7126
2006	41425693968.1908
2007	36878060814.5809
2008	41817384765.9302
2009	42547401803.8208
2010	37696776922.627
2011	41199178741.4884
2012	36249584071.1373
2013	40892823939.2786
2014	43181168536.7284
2015	40664335479.721
2016	42304198953.1967
2017	43300870985.8552
2018	45837619577.7333