Year	current US$
1960	12056283.21611168
1961	13992002.171558736
1962	15982839.477613509
1963	18034718.93100252
1964	20215849.504851107
1965	23173547.535088383
1966	26220984.319014534
1967	29774771.633777283
1968	41701650.49274893
1969	40665295.37348706
1970	58625319.99653831
1971	78462307.21291779
1972	99569373.7804531
1973	151271981.25956255
1974	198240705.71925172
1975	226569557.056854
1976	246732561.6831404
1977	313019620.8846026
1978	404573045.9321119
1979	534964730.36427903
1980	704879539.3869214
1981	768101843.1097907
1982	703095484.824617
1983	733413192.8680694
1984	719207808.5419213
1985	571123119.4486187
1986	684167897.7236444
1987	951998908.8359865
1988	1161743377.9506373
1989	1422760394.3845954
1990	1887430353.4705822
1991	1834576022.343174
1992	1723755465.7597554
1993	1627126688.1957843
1994	1718960979.9433444
1995	2070047438.7374392
1996	1799833162.7156875
1997	2395855332.1593323
1998	2517487481.8972616
1999	2398367786.488827
2000	2320710337.527931
2001	2133671163.4595633
2002	2158051339.234918
2003	2779825087.375502
2004	3706961580.259541
2005	3529325541.8531475
2006	3455002315.489769
2007	4440003828.109729
2008	5586611000.258099
2009	5327078064.977607
2010	6633895056.026791
2011	8269310273.57506
2012	8867435078.086912
2013	9191467724.13747
2014	9005846102.358902
2015	8092740027.832976
2016	6915892155.677405
2017	6281640316.612349
2018	7362391280.370785
2019	7694781424.872583
2020	6937525193.68917
2021	8783747388.218079
2022	8548721137.881679
2023	6926244567.506129