Year	current US$
1970	9999999.901279805
1971	12260000.020265583
1972	19539999.848231677
1973	24540000.343695287
1974	42920000.080019206
1975	57970000.18879772
1976	62690000.41857359
1977	109190000.552684
1978	124820000.14185898
1979	154770000.3534556
1980	170230000.64864755
1981	164109997.46620664
1982	216319998.69644654
1983	211469997.02602616
1984	192979997.52126628
1985	212319998.64242974
1986	326480000.5927682
1987	321890002.19479203
1988	377100003.8646162
1989	338589995.96908706
1990	471059997.8957327
1991	447889996.8545885
1992	491629996.06318784
1993	367600002.92770576
1994	418960000.4162639
1995	429450002.54362845
1996	460210001.1724977
1997	425469999.693334
1998	401230002.9098988
1999	375710002.42605823
2000	355639999.38592315
2001	375149998.43202543
2002	498259996.438399
2003	639629998.1940538
2004	682320002.3770332
2005	899900009.1049824
2006	905100002.8010455
2007	1084799994.5059419
2008	1199339999.8806424
2009	1072779999.0586936
2010	1240599990.6715004
2011	1275079990.2919672
2012	1091600000.7521365
2013	1277860000.869259
2014	1224269999.1837146
2015	889339997.8913367
2016	848699998.158962
2017	954910002.4793295
2018	972709995.0574343
2019	984689994.8976934
2020	925489998.7298992
2021	951860000.075772
2022	940500001.4267863