Year	constant 2010 US$
1970	328248494274.201
1971	335856304756.03
1972	337339424929.271
1973	354332518474.479
1974	362904434070.952
1975	364321555657.13
1976	382786629641.477
1977	399369649986.163
1978	413231939075.596
1979	417737896490.494
1980	428347246409.184
1981	413515253862.929
1982	408573914688.133
1983	419902273983.11
1984	426614885976.135
1985	438938778713.22
1986	453165782909.051
1987	461234340925.292
1988	475267514409.965
1989	493379900386.401
1990	509234411655.502
1991	520208454032.93
1992	528482880719.097
1993	524685026177.532
1994	539419618562.635
1995	557035872488.904
1996	579568811826.043
1997	606481411594.372
1998	639618505530.386
1999	672912086573.145
2000	693465309078.776
2001	714419804911.512
2002	714263543486.694
2003	715299260099.247
2004	718882854152.646
2005	729989798815.873
2006	754997343532.567
2007	794721243442.044
2008	799980945118.791
2009	778553923512.509
2010	778108639030.951
2011	780981315676.604
2012	763490762610.596
2013	758911990987.941
2014	759362467743.138
2015	813676718559.495
2016	806936631116.239
2017	825444188001.658
2018	842801668990.653