Year	constant 2010 US$
1960	2238531836.01418
1961	2071861657.87005
1962	2233111796.6127
1963	2891662943.93545
1964	3173511969.73501
1965	3346957538.62193
1966	3402514334.7194
1967	3619321290.57435
1968	3762955917.74159
1969	3683008345.41489
1970	3974342708.1061
1971	4229090885.43862
1972	3993313318.84489
1973	4393051159.46356
1974	5023146401.18554
1975	4771108317.10564
1976	6193904017.44079
1977	6772507613.45166
1978	7067907105.51441
1979	6542150212.34837
1980	5978452097.70475
1981	5733189215.23421
1982	4529910564.00664
1983	3630161642.57006
1984	3888974970.28895
1985	3387608853.35215
1986	2894372995.15842
1987	4279227495.03082
1988	4440477675.80313
1989	4700646039.64092
1990	4883576924.40466
1991	5003484717.82314
1992	6842969890.91638
1993	7145624269.05575
1994	7500138892.99191
1995	8069460974.92934
1996	7515781364.38227
1997	8981548290.38608
1998	11182128250.4048
1999	11261735676.7231
2000	11941470254.1589
2001	12767846743.7141
2002	13021461969.6316
2003	13091366807.7649
2004	13835442967.8786
2005	13756308333.164
2006	14643598298.5113
2007	15703014353.7159
2008	14800535837.2662
2009	13645891235.4183
2010	15009742234.1363
2011	16060721109.0327
2012	16509119120.4625
2013	17212206551.7653
2014	18411412676.4018
2015	20126182725.0045
2016	20821764920.583
2017	21296869836.5114
2018	22107220943.4926