Year	current US$
1970	308859999.7051061
1971	368229999.88123775
1972	357629999.0694966
1973	314550004.2177739
1974	410729999.0896134
1975	439890003.26767594
1976	472120000.27857685
1977	452389999.6243414
1978	719979996.8749285
1979	1011460001.9957874
1980	1060759998.6325945
1981	1087560010.6529891
1982	742509994.9426948
1983	652079999.4654956
1984	579749995.272607
1985	603020006.8093834
1986	741539997.0542643
1987	687930001.8865612
1988	1057529993.7333915
1989	1087870002.344251
1990	1144719995.1428921
1991	1368940014.6082044
1992	1349809992.7436566
1993	1033640008.3769114
1994	1259690006.649121
1995	1292380007.2446463
1996	1318130017.4910576
1997	1472750008.1025062
1998	1561700007.1927915
1999	1593569978.939369
2000	1956810019.675642
2001	1913830011.352897
2002	2539309992.9783506
2003	2730580009.879544
2004	4012239989.560099
2005	6683589907.690887
2006	7132090002.845977
2007	3471280020.803213
2008	5177899978.959936
2009	4645390056.941658
2010	4718750047.218057
2011	5161319974.528627
2012	5220150021.333249
2013	6185869983.756915
2014	6332100032.1116295
2015	6833320000.158627
2016	6356860006.924721
2017	6099130075.523631
2018	5838270017.443222
2019	6180370005.92798
2020	5258659974.953161
2021	3723160005.02743
2022	2797959997.5124006