Year	current US$
1960	55629999.6972084
1961	52460000.6341934
1962	54409999.6089935
1963	56650000.2332032
1964	81849998.0457127
1965	84300001.533702
1966	92190001.0406971
1967	77299998.5087663
1968	36970000.129193105
1969	34629999.1179258
1970	34269999.9623001
1971	38260000.1655519
1972	41110000.8189678
1973	34750000.171363406
1974	36619999.079033695
1975	49380000.555887796
1976	55089999.552816205
1977	58629999.3358552
1978	79700000.5245209
1979	118760001.305491
1980	132489999.944344
1981	151140001.799911
1982	144749997.058883
1983	108509998.472407
1984	96019999.358803
1985	159159999.724478
1986	120650002.513081
1987	172910001.74358502
1988	285689997.922629
1989	238580001.659691
1990	243629998.426884
1991	268570004.098117
1992	217400000.007823
1993	205990003.19652298
1994	312370000.699535
1995	294800001.69016397
1996	303430004.507303
1997	274980001.414195
1998	334319999.799132
1999	313859993.644059
2000	576360007.74242
2001	535539992.539212
2002	522260007.224977
2003	620459999.410436
2004	1310119997.0543401
2005	1033830001.86086
2006	1554430010.93343
2007	1594740010.97307
2008	1774930006.08683
2009	1804270040.6629598
2010	1825040004.7488499
2011	2530039988.65373
2012	2256520011.0822897
2013	2661229988.88232
2014	2957540044.30026
2015	3235150005.68517
2016	2813360039.64953
2017	2910830031.73769
2018	2728580021.63656
2019	2902060026.26754
2020	2483759984.3889503
2021	1592439997.8220499
2022	1311610001.899303