Year	constant 2010 US$
1970	552811753734.715
1971	570425039106.383
1972	606710182569.474
1973	640309055353.615
1974	629914553510.888
1975	629074524848.463
1976	632172842206.327
1977	629659585392.496
1978	663360900722.826
1979	692324818265.305
1980	691739757566.756
1981	692865380943.023
1982	700431644813.452
1983	729824629819.077
1984	746720505861.808
1985	775733160899.104
1986	825873344331.431
1987	871326631896.624
1988	938915898921.422
1989	971685754210.366
1990	981159430930.833
1991	960916210886.997
1992	976063817446.528
1993	1018384067139.13
1994	1054223158202.71
1995	1077035409553.56
1996	1117472296607.41
1997	1170692510658.26
1998	1216136875040.04
1999	1273746173074.32
2000	1332093155342.91
2001	1380778942391.21
2002	1433860669327.76
2003	1484091753992.34
2004	1531808130777
2005	1578914341302.95
2006	1604404210399
2007	1644788993348.74
2008	1635333472182.96
2009	1587152272158.71
2010	1598563067714.31
2011	1588172415345.49
2012	1612550273520.71
2013	1642335987685.18
2014	1675715512770.77
2015	1718628715255.56
2016	1772348031761.11
2017	1809154086316.79
2018	1839041266327.55