Year	constant 2010 US$
1960	2840439555.64366
1961	3454412807.394
1962	3896829673.68594
1963	4309455311.36534
1964	4602573606.6795
1965	5380569829.75634
1966	6098641167.69302
1967	6762266467.13092
1968	6147608359.55041
1969	6109598860.97579
1970	6528045773.21166
1971	6822876208.10126
1972	6804385100.68658
1973	7641963780.98849
1974	9717419374.3286
1975	9439710335.19334
1976	8250458186.09745
1977	8279564558.87981
1978	6261979283.18934
1979	6214724230.90739
1980	8934629160.44055
1981	10574174017.8754
1982	10601568251.0823
1983	8091571633.49725
1984	6813288226.47883
1985	5897978409.45225
1986	7245774683.23326
1987	8118623438.78909
1988	7286181177.21348
1989	5992146086.10108
1990	6710217424.03776
1991	7865569209.54007
1992	8560355449.25086
1993	8885319540.66808
1994	11252181289.7469
1995	14301501873.5934
1996	14315883846.0271
1997	16062608640.884
1998	16295117195.2278
1999	13934419148.6206
2000	14463812705.3445
2001	14883286901.3256
2002	15259957607.9209
2003	15625328193.3184
2004	17251175934.1497
2005	19351971193.2062
2006	21809576339.7831
2007	26454953435.8484
2008	33063469769.1054
2009	27793161728.007
2010	35180701568.0861
2011	39963734686.0162
2012	43959183599.2471
2013	45219318326.766
2014	44771422613.8326
2015	45206648493.9078
2016	45915816706.0522
2017	49150390791.9606
2018	51353914425.5431