Year	current US$
1970	119409999.83809887
1971	120739999.87356363
1972	113980001.3881177
1973	106629999.58172444
1974	114039997.92970715
1975	123850000.34980473
1976	139259999.1187453
1977	141820000.27969477
1978	221539999.17767936
1979	354150004.40925354
1980	433720000.89287764
1981	400890003.1559168
1982	332649997.28649855
1983	270599999.41661954
1984	230249999.4747341
1985	279780001.7725675
1986	292330000.67248946
1987	358800000.6452202
1988	566929997.7812916
1989	611210000.5280229
1990	479069995.3623117
1991	704020009.6014887
1992	661529991.358519
1993	457400004.50611115
1994	608150001.0900201
1995	584270003.4175068
1996	615160004.5748054
1997	612719999.5461853
1998	796630003.4616151
1999	761759989.509359
2000	1092560010.4704497
2001	1109170001.4974923
2002	906520000.0051415
2003	1366270008.8806446
2004	2238579989.839346
2005	3731959895.510233
2006	5339460003.409539
2007	2272860032.211988
2008	2253600008.513779
2009	2426880013.562737
2010	2664450003.4525995
2011	3021069962.4475093
2012	2889020029.0363283
2013	3313090013.241396
2014	3638750024.178997
2015	3571750003.90038
2016	3035580022.932962
2017	3080000039.922074
2018	2894670004.913583
2019	2919390030.089766
2020	2546439998.710529
2021	1742249981.142582
2022	1065750010.8107933