Year	constant 2010 US$
1976	4170463350.16407
1977	4078038124.59825
1978	4133120672.84971
1979	4265866279.23494
1980	4169722069.7959
1981	4011234155.02389
1982	4282311657.70847
1983	4134369737.55442
1984	4144716141.40681
1985	4005904273.68452
1986	4088327578.19902
1987	4045770112.03053
1988	4169230046.11039
1989	4148318840.81276
1990	4464541602.61094
1991	4331265696.67342
1992	4241393961.45928
1993	4163762159.74268
1994	4488601891.93825
1995	4500818118.23801
1996	4498248734.79285
1997	4512433320.71952
1998	4744710881.86049
1999	4975955391.92557
2000	4796893205.4376
2001	4764166677.12312
2002	4687164639.23547
2003	4571979444.2735
2004	4964273968.22125
2005	4849578810.3081
2006	4777066571.32721
2007	5227211955.52491
2008	5602315450.03025
2009	5232165302.99137
2010	4966565222.5306
2011	5674509827.14163
2012	5263991222.67558
2013	5107152878.56386
2014	5249104691.78709
2015	5348198129.60535
2016	5493606690.65945
2017	5663729012.06758
2018	5559086235.77753