Year	constant 2010 US$
1960	3644452349.62463
1961	4617485849.70275
1962	5024388176.61554
1963	5165921196.85209
1964	5537443672.88394
1965	5962038648.57975
1966	6276801219.13148
1967	6949453666.78744
1968	7539117696.83974
1969	7800116038.71914
1970	8407179047.11646
1971	8946549847.39364
1972	9717079467.47357
1973	10475000434.2874
1974	12288780655.4396
1975	13102273148.0141
1976	14019436951.5399
1977	15673507211.4744
1978	16370522400.5873
1979	17418128503.9265
1980	18810533813.3447
1981	19844972886.0669
1982	20584530707.7945
1983	21364505990.6541
1984	21411590339.6142
1985	22787953557.8057
1986	24420322328.3694
1987	25354291753.8209
1988	27533708748.3499
1989	29307266860.9774
1990	30529275428.2401
1991	33466109975.8471
1992	33150043628.5772
1993	33074813405.7271
1994	34502291726.2689
1995	34843211295.7881
1996	35855137271.8329
1997	36779312445.9878
1998	39231282749.373
1999	40569845039.3883
2000	42357043929.2607
2001	43873368880.4875
2002	45023911504.0897
2003	45735732699.0843
2004	47071546808.3528
2005	48336933720.0619
2006	48227345675.2946
2007	48533634856.3434
2008	48738638677.0988
2009	50017303473.7519
2010	49361319351.6215
2011	47476325622.1102
2012	45918707897.6283
2013	45007859612.1221
2014	44804326829.6103
2015	45383331561.5112
2016	45746061620.5338
2017	45836233602.7722
2018	46224180173.6724