Year	constant 2010 US$
1975	911425975.412035
1976	1194176131.11805
1977	1962300912.11534
1978	2381418271.95413
1979	2770488536.173
1980	2915330535.81627
1981	2727344229.35702
1982	2829812104.74641
1983	2768177254.97949
1984	3365265320.53852
1985	3104857940.90692
1986	2885283440.19634
1987	3028584634.61109
1988	3349856681.4475
1989	4020906478.70596
1990	3909193185.13967
1991	3846787866.65654
1992	4469300059.95956
1993	3920749681.24353
1994	3764351237.3601
1995	3907686267.94387
1996	3744309164.80865
1997	3901288931.84219
1998	3310243950.05814
1999	3802388499.81051
2000	3762838922.99967
2001	3763328988.08406
2002	4192626002.01343
2003	4273049655.86321
2004	4520386828.45723
2005	4813260318.89306
2006	5817456656.82603
2007	6255336432.23344
2008	6782103417.94814
2009	5857509543.72355
2010	5689947019.86755
2011	5014584353.56314
2012	3991540377.38441
2013	3329608143.39286
2014	2695490414.19125
2015	3066522663.08682
2016	4348917028.92836
2017	5610477006.182
2018	5214557398.00056