Year	constant 2015 US$
1960	32208613224.960556
1961	34159395252.054146
1962	37423912353.668655
1963	43191112585.15004
1964	46791100283.96965
1965	48887815863.63155
1966	51229032834.94675
1967	52604539389.14159
1968	55987820901.70155
1969	60079858624.07088
1970	64806905316.21438
1971	70507554673.08157
1972	75068803999.7243
1973	77635116395.48993
1974	79211694736.99359
1975	90651755958.96541
1976	101550319951.03366
1977	104619943326.02016
1978	108488482144.79117
1979	113700528302.25584
1980	117089530629.54892
1981	120640447993.61772
1982	127049558133.88199
1983	129939725145.14476
1984	134093292958.92307
1985	142967794616.18655
1986	152473316081.92773
1987	161748270634.6294
1988	168216042695.7781
1989	176489727658.5093
1990	180362510814.16956
1991	181160910129.3359
1992	183615274565.17776
1993	194265958641.78802
1994	196072168989.35617
1995	205742628126.25772
1996	212909722106.42044
1997	226224340927.60815
1998	242662656004.1906
1999	256093668423.62173
2000	262137455123.83948
2001	268371944190.8377
2002	274427276811.8469
2003	284198392777.766
2004	297610365462.99066
2005	315988753078.8184
2006	338262418715.5705
2007	360330284794.1895
2008	387928894613.90155
2009	428197894189.4075
2010	448683791342.32086
2011	477112678153.1516
2012	498669956374.05615
2013	510881040129.1124
2014	536143182832.04083
2015	568924533663.9332
2016	599299113953.5548
2017	643858519701.9447
2018	680571025576.1312
2019	707242045943.1798
2020	713145984274.5933
2021	731303535700.8002
2022	775426977834.1415
2023	784496628770.9945