Year	current US$
1960	0
1961	0
1962	0
1963	0
1964	0
1965	0
1966	0
1967	0
1968	0
1969	8270000.219345089
1970	9539999.99165535
1971	21210000.116378102
1972	30929999.718442596
1973	52150000.542402305
1974	104899999.61853
1975	197860000.46134
1976	43710000.881925195
1977	95359999.1351366
1978	80020000.4968792
1979	79970002.4593621
1980	139270002.365112
1981	251400001.525879
1982	174009996.08449602
1983	144939997.91145298
1984	175309996.51551202
1985	97559997.4840879
1986	103210000.39577499
1987	168200002.461672
1988	221220001.74969402
1989	244800000.63777
1990	156500002.68220899
1991	134109998.226166
1992	191790003.418922
1993	166550002.44081
1994	169049999.952316
1995	228780000.44822702
1996	300930009.335279
1997	269459998.369217
1998	212529997.844249
1999	197500002.026558
2000	200639996.58822998
2001	273259998.966008
2002	337710003.376007
2003	390929997.92099
2004	492969990.25344795
2005	595189996.242523
2006	650909998.655319
2007	668149991.750717
2008	912839987.158775
2009	845419980.52597
2010	850709981.918335
2011	956579988.051206
2012	758730011.463165
2013	735800012.037158
2014	747219994.664192
2015	839040003.299713
2016	1116579994.6785
2017	1293699973.94085
2018	1287299989.58111
2019	972200006.440282
2020	1093459992.40875
2021	1043100010.1566302
2022	1056769986.1526495