Year	constant 2010 US$
1970	45370922640.6421
1971	47916817282.62
1972	51621814216.7287
1973	56802255288.753
1974	54671310712.4523
1975	50488984329.8282
1976	51862535818.0928
1977	49824564615.4556
1978	50453431794.6544
1979	50991797062.092
1980	50776896306.7379
1981	52779119397.4501
1982	51671951224.7223
1983	54174253902.1445
1984	54983019696.1457
1985	54525873458.5467
1986	58990533349.6704
1987	61088912881.4641
1988	63822389255.7066
1989	64227260159.7999
1990	63530912175.1268
1991	59937401053.5043
1992	60806748075.3478
1993	64914992441.2738
1994	69425942536.1653
1995	72766531229.0058
1996	74171325713.4956
1997	78106351521.9702
1998	79244954112.3418
1999	82509305445.4214
2000	83784694570.8285
2001	88990363928.9098
2002	93386533052.3475
2003	100375937591.973
2004	103698030900.364
2005	105081662005.908
2006	106520171689.407
2007	113561624596.447
2008	108416017297.249
2009	112458532221.354
2010	115744965125.528
2011	121350812404.54
2012	123329580596.64
2013	130946002735.139
2014	135767582372.595
2015	141485313736.719
2016	149002852105.319
2017	154554001551.827