Year	constant 2010 US$
1970	280526056117.213
1971	294218141358.498
1972	304906552285.797
1973	313129143979.572
1974	315279364768.168
1975	283799454639.856
1976	283263205840.851
1977	289471808341.46
1978	299031953922.02
1979	311765727254.563
1980	328559119515.549
1981	323574766979.664
1982	325697078340.289
1983	333152673035.561
1984	329880889232.339
1985	338543132683.563
1986	359135458545.31
1987	366727547275.859
1988	376099842017.945
1989	393879819311.057
1990	413457288455.583
1991	408546156445.748
1992	404231744285.446
1993	402463333588.328
1994	412149804882.569
1995	418239799050.29
1996	421513614389.163
1997	422031442346.284
1998	439068136962.606
1999	446378002271.311
2000	453484269583.525
2001	462087025869.967
2002	462748942413.256
2003	466292395184.001
2004	464687676380.486
2005	485342455447.148
2006	496505016746.557
2007	498975078645.769
2008	511517212014.699
2009	523238116441.679
2010	521439850886.523
2011	541542886463.873
2012	534880080170.297
2013	531248324972.216
2014	544412099237.091
2015	556422634275.657
2016	559473975126.115
2017	568368339384.231
2018	569975675970.103