Year	constant 2010 US$
1960	27524529504.5791
1961	29279323074.5224
1962	30792980198.5293
1963	32965034056.4953
1964	34079722506.2478
1965	35830057408.9212
1966	37484357348.6102
1967	39480523582.9897
1968	41060929003.1446
1969	43114184636.1729
1970	44265833162.1668
1971	46948302969.5625
1972	49411684466.3196
1973	54048096397.9981
1974	56390233172.2461
1975	59264605297.3536
1976	64080224861.6199
1977	68189162686.3916
1978	71797249556.2156
1979	75696757597.8459
1980	79192199919.2952
1981	81797175564.4351
1982	83675466980.3938
1983	85423103788.8425
1984	77503343303.4501
1985	72121904380.1648
1986	74481903174.8798
1987	78221196393.0512
1988	83909930481.8421
1989	88907394055.6498
1990	93264585599.0048
1991	93846128546.2203
1992	95604414380.109
1993	98164569582.1107
1994	103665488390.833
1995	108793978938.743
1996	116010674064.706
1997	124010284929.778
1998	133224356093.285
1999	136845393904.463
2000	147372928552.398
2001	152667143764.913
2002	159017764443.018
2003	166301805295.975
2004	176833053729.942
2005	186141131895.677
2006	194456454324.01
2007	205820349400.342
2008	214941621683.482
2009	225014607487.432
2010	240578672657.987
2011	247530254407.033
2012	265205422566.511
2013	286949002162.531
2014	303547225872.968
2015	321710436598.491
2016	342771672254.935
2017	365023193158.948
2018	386639894093.847