Year	current US$
1970	8189999.863505363
1971	12430000.197142355
1972	5039999.946951859
1973	17499999.70383941
1974	34600000.02011657
1975	59060000.0638515
1976	45859999.5709956
1977	57479999.657720275
1978	128160000.60364603
1979	205800002.3663043
1980	231560001.33976343
1981	217129998.01337713
1982	275899999.8848886
1983	286180003.1661987
1984	237530001.6477704
1985	277010000.899434
1986	449080003.2317636
1987	590589995.9392844
1988	938479997.9478121
1989	1075579998.3311453
1990	823449996.0485846
1991	955700003.4898525
1992	877969991.9335542
1993	972479996.282607
1994	1144839992.5399568
1995	1296329993.959516
1996	1051590001.1230251
1997	777739994.2539635
1998	930480005.3108484
1999	980939993.8806891
2000	949310002.4871523
2001	846910002.2073834
2002	576819999.0801514
2003	521079999.74675506
2004	639079998.6384808
2005	1129490018.7067685
2006	2509309986.2672367
2007	1593849982.012063
2008	957209992.7347151
2009	1263939998.5894568
2010	1623189994.8120122
2011	1580720013.2906442
2012	1637510011.3824
2013	1970659988.1425512
2014	1170040001.8095973
2015	1397220008.4812942
2016	1089149986.322969
2017	1166560008.943081
2018	1147590010.1810691
2019	1248579995.1404328
2020	1119440004.900098
2021	1519139993.7793615
2022	1256870003.2234192