Year	constant 2010 US$
1966	1819988925.56014
1967	2248793717.90957
1968	2131137904.94703
1969	2744510737.19177
1970	3394882997.46797
1971	3535228059.4618
1972	3134043276.82382
1973	2975574244.44958
1974	3512280140.98057
1975	6247407598.55832
1976	7431438672.94862
1977	9296968481.98633
1978	6360382579.6123
1979	6298660018.7086
1980	6550576884.90345
1981	6914224414.6452
1982	7197394879.93516
1983	6884257594.87528
1984	6347944966.79138
1985	7161051536.65665
1986	7147469962.72513
1987	7275478687.05899
1988	8098236008.74525
1989	9308843550.21151
1990	9650513513.34205
1991	10122193580.2498
1992	10190796544.9038
1993	10133772483.5014
1994	10018103064.1885
1995	11030603639.8821
1996	11212834268.4313
1997	11937989401.2702
1998	13460463799.9958
1999	14937209887.2888
2000	15328690629.7656
2001	15394125408.9109
2002	16515101117.9379
2003	17563042599.1175
2004	19170569434.9394
2005	20558866015.5289
2006	22613336798.5261
2007	25851549480.9996
2008	29783489007.8073
2009	28996527147.7884
2010	28576723851.1619
2011	30804186663.6694
2012	31918592536.1737
2013	31753912506.8871
2014	31354829522.1676
2015	31420328006.4558
2016	34158551538.9459
2017	33875100229.7009
2018	34857478130.8869