Year	constant 2010 US$
1970	19199547105.3422
1971	20847554062.0038
1972	21853659263.8175
1973	22604274637.3334
1974	22827365051.6655
1975	24990168518.642
1976	26346180368.979
1977	28640077760.3513
1978	30530594102.4003
1979	30866941977.5256
1980	29363579830.0712
1981	35144150307.7474
1982	38275824787.0199
1983	40363417492.1711
1984	43588879072.0855
1985	44195804799.8937
1986	44283473181.8792
1987	43205920733.1952
1988	44930783830.0488
1989	45299198461.7215
1990	43674926234.9782
1991	39116342435.3214
1992	34770749025.9134
1993	29564139654.4929
1994	29758931799.5698
1995	30302717339.2704
1996	32766201145.1446
1997	33703753723.0021
1998	33823379576.8639
1999	35893477702.4243
2000	37951102895.443
2001	39329876131.6668
2002	39796644519.3543
2003	41398513368.3377
2004	43723031640.5628
2005	48741260046.9558
2006	54781066357.442
2007	58492894661.443
2008	60918829957.2665
2009	61256106037.8363
2010	62896000000
2011	65125662309.1047
2012	67191299725.2376
2013	69151341469.4212
2014	69785223062.7477
2015	72897858949.6097