Year	constant 2011 international $
1990	15650910225.8746
1991	23389875150.9069
1992	27234783688.7375
1993	30166790570.2362
1994	32611881942.9992
1995	34714977390.1907
1996	38632887422.7547
1997	39040451508.2156
1998	40471566624.4395
1999	40258854288.9279
2000	40799076428.9259
2001	42365626032.3768
2002	43815864886.7152
2003	45229845903.8107
2004	48076510839.5077
2005	49397842805.3926
2006	50238314493.6053
2007	54931040048.0096
2008	60011525283.5611
2009	66045370510.8242
2010	71353601625.6756
2011	72008412770.4573
2012	73967150737.8914
2013	75904469413.1533
2014	77334726447.351
2015	77655689353.8949
2016	78902470549.7551
2017	79338008066.4462
2018	79496676653.7092