Year	current US$
1960	5043000
1961	3961000
1962	6011000
1963	8099000
1964	12694000
1965	17403000
1966	17247000
1967	8363000
1968	9101000
1969	23761000
1970	27828000
1971	33094000
1972	37591000
1973	56436000
1974	67547000
1975	91406000
1976	110218000
1977	94025000
1978	132423280.057047
1979	169526391.234054
1980	189250601.220159
1981	207088678.254354
1982	175756837.962392
1983	59148223.5302416
1984	24869668.2493013
1985	23419797.8910369
1986	20890495.0766333
1987	15097000
1988	12560000
1989	9246000
1990	21068000
1991	1100000
1992	17300000
1993	17702747.1169385
1994	39702589.7696798
1995	132922044.570763
1996	96316436.4021213
1997	109111000.172704
1998	106137859.577734
1999	38458398.8822261
2000	62989566.0535182
2001	119252339.528173
2002	106161284.042461
2003	105763373.657612
2004	129398726.844662
2005	125776538.089929
2006	215515802.859181
2007	370083171.983303
2008	561929086.58718
2009	596597837.814439
2010	601731467.110281
2011	708359441.303126
2012	885111896.942582
2013	738413670.153605
2014	573285710.823037
2015	284664246.439365
2016	351978924.052964
2017	385461409.370103
2018	524017424.445831
2019	566576008.975144
2020	495997605.082322
2021	906664252.216906
2022	1109369438.17324
2023	1249135526.39627