Year	constant 2011 international $
1995	20737339780.6135
1996	21206264196.9857
1997	23127706987.143
1998	24615364786.8721
1999	24864674557.9806
2000	26426058544.2644
2001	28249959730.597
2002	30217598820.6647
2003	32558068476.8086
2004	34726703254.7944
2005	38835506242.7879
2006	42825013290.9136
2007	46831377198.4321
2008	45966481584.5793
2009	42681135661.0857
2010	38765957699.0751
2011	40716252078.7442
2012	42083700314.4545
2013	43309128792.6934
2014	44050085108.3748
2015	45265397480.7584
2016	46338642282.5716
2017	48271317932.3908
