Year	constant 2015 US$
1960	8306127604.551633
1961	8494541185.556939
1962	9352624949.108566
1963	9743054041.102743
1964	9556560639.394602
1965	9621022891.811953
1966	10011695453.951157
1967	10766453114.560535
1968	12134387877.633377
1969	12328491651.6075
1970	12435498480.939299
1971	13001692970.519966
1972	13535654155.396555
1973	13939139845.957476
1974	14876562168.323254
1975	17076329042.323475
1976	19438525346.57209
1977	20599259853.87911
1978	21793105456.820415
1979	23199921783.882793
1980	22417797862.98466
1981	22831178739.324554
1982	24195944840.371227
1983	25161676233.667442
1984	25854494153.43552
1985	27228485531.17645
1986	30253549451.692413
1987	30794287036.07612
1988	33395501261.234436
1989	34133885610.449577
1990	35115986355.36761
1991	38389055640.96604
1992	37834233601.957016
1993	37650532106.508095
1994	41339285422.74927
1995	40234542061.55713
1996	43593893577.2122
1997	42237593424.22165
1998	43843117406.02373
1999	45107648811.29082
2000	45984517227.66834
2001	46945451109.694435
2002	48298920944.380196
2003	50669584165.38479
2004	52959270712.50537
2005	54800467877.76346
2006	57954932911.18561
2007	60652293459.16124
2008	64760402181.35192
2009	68548032162.6709
2010	70823104814.03122
2011	74365419151.8576
2012	78219115282.5283
2013	80904719060.4446
2014	83229255798.15172
2015	85150897940.13896
2016	86887473053.42577
2017	89837446969.39746
2018	92339922598.6674
2019	94902013117.46219
2020	90713183920.76668
2021	97134181045.5908
2022	97489083075.73032
2023	99066483173.22438