Year	current US$
1960	10359999.6566772
1961	39189998.626709
1962	47009998.3215332
1963	31059999.4659424
1964	45650001.5258789
1965	38630001.0681152
1966	34430000.3051758
1967	40110000.6103516
1968	40490001.6784668
1969	38159999.8474121
1970	50970001.220703095
1971	62150001.5258789
1972	61159999.8474121
1973	100150001.52587901
1974	162210006.71386698
1975	293269989.013672
1976	266250000
1977	338670013.42773396
1978	421899993.89648396
1979	586140014.648438
1980	675630004.882813
1981	697780029.296875
1982	678940002.441406
1983	587849975.585938
1984	547489990.234375
1985	477179992.675781
1986	660619995.117188
1987	894919982.910156
1988	1007849975.58594
1989	906890014.648438
1990	1163150024.41406
1991	1073000000
1992	1334079956.05469
1993	944429992.675781
1994	963570007.324219
1995	871049987.792969
1996	867210021.972656
1997	943849975.585938
1998	1001500000
1999	991940002.441406
2000	1064250000
2001	1274900024.41406
2002	1260430053.71094
2003	1725760009.76563
2004	1774199951.17188
2005	1492449951.17188
2006	1887650024.41406
2007	2314260009.76563
2008	1909569946.28906
2009	2300419921.875
2010	2960310058.59375
2011	2441830078.125
2012	2822229980.46875
2013	3433239990.23438
2014	2650520019.53125
2015	2584709960.9375
2016	2317889892.57813
2017	2585600097.65625
2018	2455199951.17188
2019	2125929931.64063
2020	2277000000
2021	2618050048.82813
2022	2661899902.34375