Year	constant 2010 US$
1960	4289507941.57336
1961	4715565683.80923
1962	4773425414.90124
1963	5465111744.4671
1964	6427686676.03012
1965	6227807842.64401
1966	6948823557.22084
1967	7268341011.64067
1968	8180390513.785
1969	8960735861.2205
1970	9890415060.22622
1971	10825715775.6769
1972	11284360757.9904
1973	11954561234.0613
1974	12471880628.4847
1975	13501170764.8042
1976	15245035639.562
1977	16360127544.6182
1978	18144928075.7877
1979	18579391588.0419
1980	16543518103.9559
1981	17122623774.4371
1982	17157009830.1631
1983	16487845194.088
1984	16042465390.5262
1985	16764572560.5605
1986	17310988449.6638
1987	17250577789.6191
1988	17446627839.8128
1989	17960955291.2608
1990	17764119671.5002
1991	17771389667.4501
1992	17727927848.0866
1993	17693804228.4323
1994	17837337551.104
1995	19108380690.5847
1996	20585329999.2213
1997	21355952767.6161
1998	22408946380.0266
1999	22771417237.4359
2000	22300413230.3667
2001	22327479668.9848
2002	21955137209.6868
2003	21656649227.9922
2004	21923409951.2305
2005	22300766067.8423
2006	22638810527.3136
2007	23038393860.5129
2008	23624223695.0581
2009	24392354394.8994
2010	24884503950.6812
2011	23792757359.5639
2012	26340129902.5022
2013	28681615020.9584
2014	31203898442.7018
2015	33963215480.7966
2016	36670678513.7753
2017	39495086964.6057
2018	42430785066.9005