Year	constant 2015 US$
1960	3194935120.7191467
1961	2854773966.024227
1962	2906442342.399945
1963	2968174774.137466
1964	3366700118.215746
1965	3090544732.8935094
1966	3083796875.747577
1967	3389839372.1520805
1968	3517904840.8595457
1969	3869378316.8089533
1970	3986407541.971991
1971	4026619044.096701
1972	4601082771.312915
1973	5304322014.407229
1974	4973387827.770997
1975	4141186751.703495
1976	4569329936.518059
1977	4898229008.765403
1978	5080424083.931675
1979	5186441523.765533
1980	5275181666.56575
1981	5621662699.886396
1982	6037661639.161037
1983	6568826920.12082
1984	6937759606.110378
1985	7053703275.18113
1986	7017132091.494468
1987	7616734379.380893
1988	9224058830.454659
1989	8686175877.029232
1990	10179690319.215435
1991	10399228824.59261
1992	10901279886.165638
1993	10906061428.145075
1994	11879903242.225546
1995	10549598358.848059
1996	11236632130.914513
1997	11975599317.224104
1998	12629709637.460146
1999	13883618606.410057
2000	15074117726.060165
2001	17074426047.093174
2002	18019945183.697033
2003	18146517816.72671
2004	19298105471.470905
2005	21874585198.34612
2006	24468108756.976364
2007	25741725321.1346
2008	25103074982.970146
2009	22798268304.310154
2010	26868039667.195072
2011	28375534422.692963
2012	29128380981.594887
2013	29122676486.38652
2014	31746426615.98217
2015	33119569273.85218
2016	35374510866.770325
2017	39209386459.55387
2018	40705483009.12154
2019	42792455514.23006
2020	36379023318.824356
2021	39260785723.86981
2022	47278468137.400635
2023	51914255532.78996