Year	constant 2010 US$
1965	5006331369.15322
1966	5245878744.26747
1967	4008891464.90182
1968	2315080441.83078
1969	2218783429.20009
1970	2663126150.27445
1971	2738399664.9115
1972	3649232934.18651
1973	3630705937.83287
1974	4265943873.84729
1975	5340136291.85383
1976	4840595924.07644
1977	5990328178.65092
1978	8800703766.97266
1979	8253073827.75345
1980	7230103129.8792
1981	8246832466.62394
1982	8908646945.01361
1983	9939154508.8436
1984	10022192558.2495
1985	10949785202.4975
1986	11733195357.9978
1987	10826239896.6008
1988	10531121302.4052
1989	9477078022.4045
1990	8693826725.64606
1991	8497862263.60701
1992	7559366139.25738
1993	5913241560.64079
1994	6074459146.27195
1995	6464993555.00894
1996	6817190807.71884
1997	7214091730.24471
1998	7430383396.00995
1999	8007691793.15526
2000	8199116986.52287
2001	8907221495.3611
2002	9255072582.42232
2003	10100130145.5316
2004	11068448623.0663
2005	10711613275.1172
2006	10984483053.1497
2007	11620491085.9462
2008	12482836159.735
2009	12934944895.7931
2010	13628617924.9188
2011	14212625560.5976
2012	14884457278.0021
2013	15538873730.1351
2014	16279276001.8027
2015	16836349183.7618
2016	17663467013.4874
2017	18429800292.2462
2018	19240156803.6562