Year	current US$
1960	17400000
1961	22300000
1962	22200000
1963	33200000
1964	46060000
1965	56460000
1966	41680000
1967	43080000
1968	54200000
1969	75540000
1970	88700000
1971	96093154.5563142
1972	98358873.0313869
1973	117517757.411687
1974	121313541.317539
1975	95727903.8259791
1976	127511464.491468
1977	139487953.940902
1978	145081731.551357
1979	159160195.169785
1980	182755265.975296
1981	201922901.979448
1982	199248136.307842
1983	133345631.582626
1984	81955809.2175534
1985	55993936.7311072
1986	86745613.0050273
1987	178171487.749862
1988	220278121.677814
1989	211574718.111809
1990	295279865.132094
1991	396953586.805705
1992	467416280.06105
1993	640207576.107604
1994	693599085.405465
1995	586439799.146163
1996	571350266.021696
1997	626242276.618022
1998	756293368.909415
1999	845076570.943094
2000	945404440.309884
2001	1037710713.87279
2002	1017630236.33951
2003	1222483430.83775
2004	1462174023.77965
2005	1498984966.98396
2006	1935487672.74692
2007	2014032856.18907
2008	2457914115.29929
2009	2768556665.84134
2010	2936928714.36241
2011	3630830966.28124
2012	4306561131.5806
2013	5293479759.17911
2014	6027138206.15087
2015	7936841788.67798
2016	8497522915.44336
2017	9167122497.60232
2018	8070410725.84012
2019	8398189508.74835
2020	11076694632.1564
2021	9171416560.17272
2022	8853714652.97901
2023	11926470877.7268