Year	current US$
1960	225482255.45501417
1961	234942177.01988888
1962	235707445.3721394
1963	253176507.3915414
1964	269046301.8176791
1965	289108671.64164156
1966	302825235.3298715
1967	305821945.2805501
1968	324923119.2877608
1969	328248234.28801936
1970	331127729.56697667
1971	331970374.6769229
1972	408231847.137933
1973	504376074.1857087
1974	556954838.5326704
1975	675570202.2603399
1976	698408261.9222374
1977	749849780.2140231
1978	929143478.0377519
1979	1187431004.435073
1980	1402351915.688198
1981	1287920221.7345078
1982	1261778630.5484576
1983	1082048244.7824345
1984	1021533996.2338508
1985	1024412789.1753231
1986	1310102025.289179
1987	1533812227.8114035
1988	1595446083.8995316
1989	1464137972.1597774
1990	1921032674.2656124
1991	1955598214.7179532
1992	1634867229.4365256
1993	2234725478.679865
1994	1562942657.8193064
1995	2125371477.981982
1996	2315095220.835917
1997	2238481587.483402
1998	2441702856.3055005
1999	3665050653.558031
2000	3507693634.367613
2001	3651633566.7922425
2002	4166070196.6116614
2003	5311078928.637976
2004	6153203074.873234
2005	6549889470.411302
2006	7003871603.7330675
2007	8120524847.770963
2008	9776380267.193743
2009	9705498262.942963
2010	9481809633.435078
2011	10677799705.669592
2012	11074623463.003607
2013	12448828489.08587
2014	13223293312.931677
2015	11295642529.725452
2016	11718306955.292688
2017	12561417739.482061
2018	14105968067.942923
2019	14247234068.182384
2020	15523668017.570427
2021	17597426577.8401
2022	17277505052.263847
2023	19549820769.623478