Year	constant 2015 US$
1960	4841007886663.482
1961	5092746597527.145
1962	5332303768204.152
1963	5592430943755.24
1964	5920590862531.521
1965	6184407332417.501
1966	6420421153017.943
1967	6643210642574.191
1968	7002014336879.654
1969	7418555060576.779
1970	7788367004796.957
1971	8078761677066.556
1972	8456289176105.044
1973	8953141000300.121
1974	9147887337773.584
1975	9073829599323.857
1976	9473720283725.328
1977	9746222717134.125
1978	10049941279132.197
1979	10421883396994.402
1980	10576007289113.322
1981	10629391336357.646
1982	10731962618734.867
1983	10941268438557.895
1984	11231056115760.723
1985	11542257825765.074
1986	11859341567438.588
1987	12226054446482.986
1988	12739748032645.428
1989	13187041759526.93
1990	13489516017708.791
1991	13510069455827.787
1992	13414136917577.375
1993	13308553200730.56
1994	13470117884492.016
1995	13759669955710.436
1996	14005066914389.723
1997	14435867093119.027
1998	14815270022141.328
1999	15241634298511.82
2000	15905445847669.35
2001	16264647025891.443
2002	16522326443743.807
2003	16818891610715.174
2004	17355561739589.94
2005	17819272878179.73
2006	18507994058725.816
2007	19183830099905.9
2008	19378847786143.08
2009	18514961546429.195
2010	19007325057036.246
2011	19453537274096.477
2012	19523567806632.656
2013	19689092523458.395
2014	20068422653416.83
2015	20481460301210.535
2016	20870571514436.168
2017	21477638524381.426
2018	21936065952377.605
2019	22332068149674.965
2020	21112191497351.715
2021	22489519607940.594
2022	23199625889137.41
2023	23423277925071.832