Year	current US$
1960	7430000
1961	4930000
1962	4730000
1963	7430000
1964	5030000
1965	5730000
1966	5930000
1967	6730000
1968	11100000
1969	14100000
1970	15750000
1971	21021736.0703781
1972	43128033.2355769
1973	41714880.2855599
1974	39316004.7049513
1975	34445388.7844412
1976	78941523.8652293
1977	70866206.7021357
1978	150418499.713409
1979	118717752.378994
1980	117382779.39403
1981	119947433.483772
1982	100969746.179575
1983	206695890.707738
1984	215639208.382791
1985	97962478.0316344
1986	170173635.218279
1987	77814186.6106768
1988	72213456.9579201
1989	119413141.640602
1990	343513777.012704
1991	499075403.939407
1992	504386328.323731
1993	597409903.032404
1994	704267833.469342
1995	781372879.380671
1996	866521776.429765
1997	1147778004.2069
1998	954498535.443711
1999	822912159.879705
2000	722595056.913888
2001	1091760797.80153
2002	1182833360.77351
2003	1010969630.50074
2004	630646276.79381
2005	1210531905.83646
2006	1334983347.81531
2007	1935051624.52824
2008	2423782838.73722
2009	3028272377.96829
2010	2714469855.81081
2011	2303727320.10768
2012	2466273019.84038
2013	2847991008.35912
2014	4032196741.33614
2015	3378098353.89896
2016	3846753359.06372
2017	2703336161.52673
2018	2121303718.10741
2019	3423477098.41293
2020	9613847648.57363
2021	8832242051.03447
2022	6876072133.54101
2023	6756683681.74504