Year	current US$
1965	232119907.15203714
1966	278599888.5600446
1967	301709317.9160102
1968	339239728.6082171
1969	378359697.31224215
1970	440520176.2080705
1971	427472556.50202566
1972	477940218.382717
1973	496675531.9148936
1974	526020526.02052605
1975	670560670.5606706
1976	495880495.8804959
1977	384450384.4503845
1978	353014099.3364269
1979	423962674.0587202
1980	387387589.675652
1981	535415567.3563786
1982	655544509.4362924
1983	743394763.631621
1984	502358220.190504
1985	464365020.5682841
1986	443934690.96264887
1987	646057050.6648208
1988	886444772.1567466
1989	1138121435.5916348
1990	1163957530.771399
1991	975950948.6520783
1992	1043244169.2835023
1993	1338153920.7689424
1994	1303665820.7583265
1995	1638945086.8881917
1996	1874402707.058096
1997	2147779826.765928
1998	1974774281.8057456
1999	1875497025.5369155
2000	2089625154.411816
2001	2366497268.7990866
2002	2640968960.1825776
2003	2459678736.4181566
2004	2682688096.841032
2005	3006083022.6499486
2006	3348282359.6996694
2007	3344193812.0100946
2008	3285850417.4551277
2009	2528007561.825524
2010	2630941968.467276
2011	3025073048.923409
2012	2908096628.76769
2013	2993628859.6842227
2014	3060382008.9648023
2015	3010136155.4956
2016	2983227744.54962
2017	3277743923.781636
2018	3662268001.085236
2019	3814154417.786344