Year	constant 2010 US$
1976	1262055130.44367
1977	1150095116.89903
1978	1469422397.10491
1979	2002808337.25327
1980	1975691318.57822
1981	2215683828.12773
1982	2026740293.58141
1983	1904213236.22396
1984	2261319520.28495
1985	2185507793.95765
1986	2285264243.78962
1987	2579272355.90546
1988	2607876634.58026
1989	2540795567.82071
1990	2047146884.27569
1991	1919924987.91481
1992	1931434017.22458
1993	2051882810.37449
1994	2287878033.01972
1995	2483973507.72405
1996	2571659404.60971
1997	2802094637.94418
1998	2771531874.39066
1999	2837232229.0418
2000	2871071282.22174
2001	2904034042.8312
2002	3018776836.59701
2003	3091811585.9652
2004	2962360076.32234
2005	2889383127.44423
2006	3327895482.45466
2007	3574660863.08468
2008	4417916159.07027
2009	5395821035.48039
2010	4643300423.13117
2011	4717799100.84607
2012	4675463286.10135
2013	4594845828.33471
2014	4679652495.07644
2015	4877228356.70705
2016	4731318533.15376
2017	4885086913.95903
2018	4891673525.00838