Year	constant 2010 US$
1960	3454026145.47537
1961	4652361746.96975
1962	4560724318.61966
1963	3348290651.22781
1964	3644350035.11879
1965	3348290651.22781
1966	3207309992.23106
1967	4109586209.82346
1968	4391547527.81696
1969	5258578580.66017
1970	5900040579.11079
1971	6485110313.9495
1972	8247368551.44187
1973	10009626788.9232
1974	12698439579.4423
1975	13699706594.811
1976	14809013060.1695
1977	18094325349.2108
1978	20917046190.4165
1979	25137432310.6798
1980	28937834090.1528
1981	36768411690.6066
1982	39785907878.2636
1983	44691811917.1063
1984	41333646684.7295
1985	43514962529.3769
1986	45328740658.8858
1987	46224585374.7037
1988	37583122416.9259
1989	42635513548.0615
1990	52489805422.0694
1991	61322551949.0583
1992	65348387925.4138
1993	68248383465.8134
1994	82099541040.4694
1995	99290370477.9177
1996	106106414715.16
1997	121721008890.005
1998	115281805298.885
1999	68390656482.3923
2000	86127068980.9583
2001	89727060786.7834
2002	85914151035.1657
2003	87257619529.8633
2004	110514649801.512
2005	130151940916.26
2006	141322449306.679
2007	154132281221.699
2008	169549466315.396
2009	144155272219.906
2010	169158028224.495
2011	194580589887.625
2012	210143945615.285
2013	214056608724.738
2014	218593971690.88
2015	204934010241.752
2016	200005115544.989
2017	216117568912.855
2018	242136691333.65