Year	constant 2010 US$
1970	3335789325.10753
1971	4293919775.2808
1972	4220743274.44356
1973	4756370702.1991
1974	5415534425.36058
1975	5108543800.54878
1976	4936097065.73544
1977	5681739253.96365
1978	5807850194.6313
1979	6006124673.39635
1980	6358199315.25327
1981	6773130113.47967
1982	7225466199.2662
1983	6275524289.41422
1984	6893786696.97258
1985	6947162447.34533
1986	7185500073.5042
1987	8400636941.4511
1988	8496803078.74982
1989	8030642991.31165
1990	8298303367.71989
1991	8686816210.68073
1992	8242650244.34968
1993	7991683818.88899
1994	8060017515.17218
1995	8279794084.54016
1996	8823764723.91817
1997	9397356666.87719
1998	10742853048.8308
1999	11180804272.4931
2000	11884014174.674
2001	11634869840.9984
2002	11439120546.5133
2003	12072825306.2537
2004	13303719960.1906
2005	15230994682.1316
2006	16779320180.8624
2007	16889632226.856
2008	15665955510.8022
2009	12629973121.1342
2010	12332078770.249
2011	12737290081.4334
2012	12943635203.87
2013	13012228432.4661
2014	13712135094.1598
2015	14661285760.8271
2016	15853480503.8795
2017	17075228658.0306
2018	17773355647.1405