Year	constant 2010 US$
1960	3472351422.75839
1961	3586357396.01535
1962	3404334299.73052
1963	3507905827.97752
1964	3696498760.00935
1965	3807413045.85595
1966	3848428953.04252
1967	4530054768.20439
1968	4797057811.12804
1969	4940829387.10764
1970	4928574882.43895
1971	6163427863.11749
1972	5887641790.82222
1973	5930501714.18738
1974	6233403355.34363
1975	7646267551.90715
1976	8001480191.51897
1977	8783953348.41076
1978	9458020665.94095
1979	9336798586.0214
1980	9694881591.03007
1981	9376261844.71026
1982	9187315153.52277
1983	7531698367.36786
1984	7523541384.77004
1985	8110371643.68204
1986	8381025969.88601
1987	8369833251.04543
1988	7927493800.04602
1989	7694726459.62666
1990	7347674740.01375
1991	7873539592.8676
1992	7972255488.13914
1993	7989435681.57525
1994	8452804791.81278
1995	8360342801.94408
1996	8107338532.37335
1997	8744495339.59002
1998	9136497742.54851
1999	6832478931.6551
2000	7682910318.94634
2001	9239182538.12187
2002	10910761548.3081
2003	10951891640.1264
2004	11530194800.7378
2005	12768981245.1083
2006	13405299385.8922
2007	13904206165.9288
2008	16125252123.5878
2009	15543978850.0852
2010	17127889000
2011	19583046264.3182
2012	21650676638.2536
2013	23905397874.9947
2014	24446454533.7326
2015	22922604187.6245
2016	20890674229.4
2017	21999964801.6874
2018	22457379249.0051