Year	current US$
1970	92800000.6899237
1971	93599999.78542328
1972	141549999.47547913
1973	158820000.5739928
1974	232480000.16808495
1975	261610001.9067526
1976	277669996.29139894
1977	233059999.10831445
1978	299359999.3288517
1979	346800004.69461083
1980	510369997.5013733
1981	504589994.4156408
1982	477039994.3590165
1983	439789997.2572922
1984	551639990.2626866
1985	536729997.99251574
1986	634939998.9582599
1987	778730005.010963
1988	819300004.601479
1989	869389998.0783459
1990	1316529991.0306928
1991	1115940001.666546
1992	1271289990.2164938
1993	1261459998.8460538
1994	1235429993.7877805
1995	1019449997.4343926
1996	1048199999.3305659
1997	960420000.8008629
1998	660190003.7974118
1999	574460004.284978
2000	528310002.6827305
2001	439660001.8218162
2002	946580003.257841
2003	2185529993.6868253
2004	1045199996.6669832
2005	3690579982.1112328
2006	3920140028.7877746
2007	2307819975.1041827
2008	1837250029.3478367
2009	989419997.1556661
2010	1786770023.1298814
2011	2035730035.215616
2012	870730006.2011926
2013	1578339998.8897142
2014	1008790000.5970153
2015	885910000.0839684
2016	872630002.1354107
2017	1507120004.9407773
2018	1195060019.8619075
2019	1344819999.2850425
2020	1834980008.5611637
2021	1495930014.505982
2022	2160280026.9071016