Year	current US$
1960	291246352.8380202
1961	305060654.3415692
1962	330069988.16568947
1963	342602051.4851272
1964	350033041.23186594
1965	364714365.69322795
1966	379028558.7823078
1967	405694165.68647397
1968	404637815.6006365
1969	422157413.7622884
1970	396303181.9714839
1971	410328684.24799645
1972	478866839.8643455
1973	540062069.768545
1974	556054484.5769256
1975	736701854.6247098
1976	757285016.1171879
1977	959758777.2895527
1978	1239352031.008634
1979	1502627013.8265762
1980	1739937161.4541693
1981	1616918684.7869246
1982	1465127723.8476653
1983	1312443294.7364535
1984	1204433415.372132
1985	1255173586.8331528
1986	1646385377.2472792
1987	1838045897.723419
1988	2022812144.7991605
1989	1944657892.740276
1990	2280041495.4871063
1991	2193416685.870675
1992	2337771737.4026256
1993	2269187634.0764647
1994	1091590702.6117804
1995	1507242159.269075
1996	1751580569.9525266
1997	1582817424.4167812
1998	1931221856.9051683
1999	3023220281.3057957
2000	2634535890.8859453
2001	2724529246.9811206
2002	3098567484.8607144
2003	3929206990.8239255
2004	4577434964.523856
2005	5109589624.280648
2006	5366637813.372956
2007	5958849502.324448
2008	7531339281.199752
2009	7325082524.490248
2010	7237838576.834587
2011	8298694002.558216
2012	8684040554.795738
2013	9614876903.20655
2014	9791138142.698559
2015	8462728354.2011385
2016	8824040588.950546
2017	9387694192.825624
2018	10214023184.931355
2019	9881903346.30218
2020	10677615415.614561
2021	11984739031.614437
2022	12042274501.314732
2023	13125396770.81242