Year	current US$
1960	164600000
1961	180100000
1962	209200000
1963	214600000
1964	203900000
1965	172800000
1966	152900000
1967	156000000
1968	182210000
1969	187210000
1970	193610000
1971	412432120.994878
1972	898819043.553791
1973	898879136.343662
1974	781702385.073586
1975	782468471.846326
1976	776146570.877121
1977	861513590.224374
1978	1305035983.29951
1979	1342840813.64208
1980	1345874678.04871
1981	1021997355.57045
1982	861099681.269566
1983	900502491.850288
1984	954186893.697142
1985	867970386.643234
1986	1518695016.69664
1987	2681433260.50873
1988	3619415394.75986
1989	3223470249.954
1990	3412071253.78782
1991	5188925237.09394
1992	4793596852.6132
1993	7790315074.47867
1994	14487893689.2247
1995	14780016180.3879
1996	17501372162.3394
1997	12594818214.3474
1998	17458371364.3052
1999	18122305427.8738
2000	13424300678.5544
2001	5154203654.25855
2002	8082809725.46332
2003	4361447324.94914
2004	1190988609.03229
2005	506386892.672727
2006	565883459.423754
2007	631097825.120889
2008	343784488.03477
2009	1554810097.5994
2010	1309471963.38907
2011	1248657891.38218
2012	1269616354.91008
2013	1419644364.05671
2014	1876594818.73247
2015	2189346781.10376
2016	2695068413.21209
2017	3096130632.38225
2018	2918421298.89502
2019	2950025886.82209
2020	5005971804.64847
2021	7772935898.18067
2022	5404663848.41582
2023	6022803428.77077