Year	constant 2010 US$
1960	314315859.432425
1961	337889552.308349
1962	586722946.258072
1963	699352796.09732
1964	767454567.454906
1965	772693175.018764
1966	698332796.183681
1967	769460714.44301
1968	992538817.559734
1969	1280277436.93571
1970	1658541770.01875
1971	1716734333.13327
1972	1778162111.15149
1973	1839589615.69034
1974	1904249579.40963
1975	1907482316.25536
1976	1965678461.11245
1977	2179054497.07474
1978	2389199451.02056
1979	2495886366.71241
1980	3039036792.33761
1981	3320313244.89002
1982	3623773252.82087
1983	4249321943.86559
1984	4665435831.54239
1985	4362306509.00563
1986	4210741849.13256
1987	4227276174.6494
1988	4778420396.68243
1989	5144931451.52489
1990	5505076653.11768
1991	5175243423.5311
1992	5212014809.42825
1993	5626638595.92126
1994	5478185838.26671
1995	6322713712.46616
1996	6585447254.91944
1997	7370318908.60131
1998	8031377838.21841
1999	8208235760.87697
2000	8108858842.7058
2001	7648449975.8513
2002	7746157457.34642
2003	7552065428.48435
2004	7387377734.0628
2005	8119857436.48556
2006	8558027994.88017
2007	7287068177.28842
2008	7779748569.7872
2009	8648659503.2444
2010	10221068210.3146
2011	11295995618.2635
2012	11230039649.7622
2013	10107030103.5743
2014	10569935796.6144
2015	10094290988.0165
2016	9888386137.75755
2017	11134322791.115
2018	13582659884.374