Year	constant 2010 US$
1975	2963998357.41349
1976	3695797937.37211
1977	4527073223.14973
1978	4819030841.91377
1979	5518877176.69604
1980	5834994110.9818
1981	5721163251.24183
1982	6148680853.46618
1983	6356701309.62987
1984	7209817501.57499
1985	7573217246.12059
1986	7711384231.68526
1987	8542100966.10734
1988	9382757501.63376
1989	10406969464.7349
1990	10820605299.6823
1991	10494819173.8176
1992	11909581620.0199
1993	11111298621.174
1994	11831760080.1035
1995	12024714659.8522
1996	12174375364.6278
1997	12407733157.6695
1998	14757660916.6764
1999	14181260974.699
2000	14566358171.9633
2001	15705857221.2167
2002	16442098620.0337
2003	17501629724.0241
2004	18163312266.7053
2005	18883206865.3238
2006	19630001890.1337
2007	20574521468.2387
2008	22251310666.465
2009	21080947739.2308
2010	21735929705.0145
2011	22477525516.3002
2012	21066769630.5306
2013	19257401574.6632
2014	19044232839.9768
2015	20554566926.249
2016	21000260829.6316
2017	21659036144.5719