Year	constant 2015 US$
1960	5054316003.855034
1961	5537577509.864889
1962	5752223010.201295
1963	6021493644.6456785
1964	5727274380.375681
1965	5951448366.15569
1966	6374120342.589053
1967	6951139235.902747
1968	7649482661.429632
1969	8286800138.199403
1970	9331514920.080732
1971	10435728183.586996
1972	11389522302.838537
1973	12314658229.229168
1974	13164293637.372023
1975	13588129398.287048
1976	14304220537.15927
1977	15051370174.385826
1978	16039495935.846376
1979	17104067790.446053
1980	18070954485.116283
1981	18947647882.457764
1982	19710072191.006126
1983	20831305802.556686
1984	22048988053.024925
1985	22031967704.98063
1986	22898114305.457054
1987	25238630371.138138
1988	28121251795.68308
1989	30454348735.293575
1990	32706198970.778095
1991	34710526794.319275
1992	36756314440.01964
1993	41077155274.30764
1994	44074918626.00694
1995	45777098903.4968
1996	48788827668.97606
1997	51590275125.92512
1998	50594148346.153145
1999	55479715600.1673
2000	63016238430.34569
2001	68099430836.65195
2002	70447947920.64445
2003	71351917516.77487
2004	75101558380.15749
2005	78177658974.77863
2006	81605804375.1023
2007	87322313749.02261
2008	91056461731.49312
2009	90805375229.57469
2010	94756132598.6944
2011	98509119342.46178
2012	102177004346.00769
2013	105053588638.55402
2014	108840688814.9401
2015	114446347716.98216
2016	118132926008.76476
2017	121866564835.52454
2018	127153201316.5312
2019	130581273980.32477
2020	113180659356.64539
2021	122358845671.26724
2022	132446602294.83751
2023	137481592109.90326