Year	constant 2011 international $
1995	33958785987.1788
1996	35707649347.5255
1997	38668966378.2608
1998	41556446156.3946
1999	41084928892.8328
2000	42659166612.8996
2001	45442434450.584
2002	48514683625.5722
2003	53627434983.6067
2004	57140076500.5453
2005	61555523296.4405
2006	66114598876.9787
2007	73444694298.2411
2008	75374878122.3236
2009	64208720577.7857
2010	65261627794.2816
2011	69205473268.7662
2012	71853934903.2191
2013	74367802923.9583
2014	76998627778.0883
2015	78554483606.7075
2016	80403013031.1008
2017	83731656341.1991
2018	86656979847.6644
