Year	current US$
1960	517591167.1272875
1961	429140168.9755922
1962	367952854.8174577
1963	441559915.19938076
1964	523145349.0221815
1965	550311599.2560437
1966	528466135.2787985
1967	535736617.8399453
1968	399764487.1893637
1969	587720518.1281834
1970	457746260.4587597
1971	448638898.0321574
1972	640744916.8151544
1973	846217338.1049523
1974	1883621254.5809443
1975	1338475129.5870721
1976	1737750382.4331856
1977	2497822456.9568834
1978	2714918445.935603
1979	3192504209.5163584
1980	4407062983.168938
1981	5484702172.340551
1982	3719876820.9972577
1983	3586453911.42357
1984	3463068809.959971
1985	3875186214.1966004
1986	3325779048.1640706
1987	2567219698.235455
1988	2800869616.5463257
1989	3131412946.801518
1990	3810707328.8105
1991	4110882441.220612
1992	4728204102.051025
1993	3404782391.1955976
1994	4103039519.7598796
1995	4028323161.58079
1996	4759887943.971986
1997	5171006503.251625
1998	4584680340.170085
1999	4554225112.556278
2000	4711933966.983492
2001	4065061000
2002	4406710000
2003	5294766000
2004	6467124000
2005	8362148000
2006	10819180000
2007	12178961000
2008	16830615000
2009	13488405000
2010	15459463000
2011	20317852000
2012	22524389000
2013	25301990000
2014	26695930000
2015	19799028000
2016	20306030000
2017	22809263000
2018	23235696000
2019	22663609000
2020	19329092000
2021	23454013000
2022	25934743000
2023	25826786000