Year	constant 2015 US$
1960	548639276.2904449
1961	570267370.726356
1962	620369149.1198004
1963	670570138.9511001
1964	688527410.0224559
1965	890025849.4672781
1966	730097004.3778894
1967	803910317.4932669
1968	815815690.5822673
1969	892208501.1911556
1970	1069400137.2687006
1971	1239547760.912489
1972	1302844661.159901
1973	1413167785.0633337
1974	1550873267.0714674
1975	1531725458.6912117
1976	1894640914.8114648
1977	2130168879.097959
1978	2303392057.351687
1979	2655493466.3086205
1980	2405381420.1656675
1981	1806243519.7121449
1982	1303935987.0127335
1983	1411878036.3165781
1984	1780944601.911678
1985	1876683643.8129568
1986	2102290463.7675576
1987	2317777716.4781303
1988	2233249567.7465606
1989	2577215638.398692
1990	2950845930.2261972
1991	2572751123.422022
1992	3311921120.0031986
1993	3802619111.158683
1994	3942734526.540819
1995	4166456385.651551
1996	3931690587.329961
1997	4653068260.1833315
1998	5875315142.2796955
1999	5766776256.951988
2000	5502822484.642947
2001	5658281697.7873955
2002	5942261832.991586
2003	6265122987.164844
2004	6330019563.784553
2005	6620428606.9512
2006	7128549747.126114
2007	8481899229.661565
2008	9303668816.993298
2009	8129642878.372903
2010	8477268168.583567
2011	8752190879.303024
2012	9503607874.586018
2013	9963385712.571384
2014	10351214667.908611
2015	10717714717.498652
2016	11360656123.590357
2017	11369574430.724817
2018	11552889746.994291
2019	10609590147.850523
2020	10252022734.61415
2021	11055185759.052145
2022	11216193347.622684
2023	12185277891.318468