Year	constant 2015 US$
1966	4867163355.787556
1967	3514069805.902832
1968	3505224117.5100765
1969	3737798496.032603
1970	4588541103.507149
1971	5038136329.472002
1972	5525795722.713894
1973	6085227333.049658
1974	6633622226.582718
1975	7053981438.609957
1976	7476781052.7424345
1977	7891039260.40854
1978	8227204610.087423
1979	8527984133.389376
1980	9490722648.274384
1981	9914315392.685179
1982	10346083483.517153
1983	10625509491.194351
1984	10820131535.726294
1985	10890293087.683256
1986	11189242309.676868
1987	12016538524.136852
1988	12593693552.57465
1989	13140343558.485209
1990	12577220840.438803
1991	12094512569.487726
1992	13212222704.67885
1993	14178191713.055296
1994	14696185353.045006
1995	15587425731.269144
1996	16309668033.25409
1997	17703588690.56572
1998	18339265096.495228
1999	19397689978.52945
2000	20160140517.68754
2001	21326790464.491756
2002	22287508153.27847
2003	22470934902.287037
2004	23191109419.11867
2005	25177368824.893536
2006	26936590944.453056
2007	28904452439.863968
2008	30390533257.009747
2009	31065169017.553635
2010	33496524933.002033
2011	34615022463.433
2012	36011859800.55018
2013	37176500438.235115
2014	39601876876.14434
2015	42031016521.761696
2016	44679761372.63407
2017	46349431421.92444
2018	48996205647.04604
2019	51039284961.00107
2020	47026973587.11686
2021	50719599062.561195
2022	54817320817.49421
2023	56866800179.67963