Year	constant 2015 US$
1960	5447322655.31302
1961	4026282099.475912
1962	2723661303.9148197
1963	3552601899.603366
1964	3434181851.486637
1965	3434181851.486637
1966	3597714126.4449577
1967	3979289766.229649
1968	4088311694.6088715
1969	4033800608.4436326
1970	4306354811.781168
1971	4796952183.150477
1972	5451081782.212549
1973	5614614552.696847
1974	7358961023.374204
1975	8667220764.398794
1976	9103307494.160471
1977	9321349867.82597
1978	9648415408.903475
1979	12537489342.053158
1980	12210423800.431143
1981	13052943279.393799
1982	13783907488.979694
1983	14514454617.064745
1984	15370807910.65037
1985	15370807910.65037
1986	14571526134.361027
1987	13799234638.14303
1988	14723783987.8366
1989	13501709670.241877
1990	13704235563.95705
1991	15006137775.284716
1992	16401708669.360584
1993	16336101371.69852
1994	16989546098.085825
1995	17686116114.625847
1996	18393561661.089993
1997	18761433103.4346
1998	19324275697.121983
1999	19807239498.389313
2000	20402482909.31841
2001	20422885392.469463
2002	22077139109.25948
2003	22761530421.6466
2004	23034668786.706364
2005	23265015474.57334
2006	24428266248.30203
2007	25087829437.006256
2008	26593099203.226547
2009	28667360941.078255
2010	30530739402.248325
2011	32332053026.980953
2012	33786995413.195137
2013	35273623211.37569
2014	37002030748.733154
2015	38482111978.682434
2016	39136307882.32007
2017	39566807269.025604
2018	40595544258.020294
2019	41326264054.664604
2020	41202285262.50061
2021	41696712685.65062
2022	42864220640.848854
2023	43978690377.51092