Year	current US$
1970	6879999.956116079
1971	9480000.095441945
1972	12760000.051930549
1973	20810000.330209736
1974	30930000.144988265
1975	46720000.46260652
1976	56810000.19609925
1977	85309999.79004256
1978	97610000.10371207
1979	114909999.98152256
1980	126710001.00485972
1981	125549998.71551996
1982	158089998.70717528
1983	159639997.97403806
1984	147079998.31438062
1985	171179999.3030727
1986	243279998.60420814
1987	257620000.6082654
1988	309630005.22740185
1989	284939996.90376246
1990	374899999.6986243
1991	374859996.8161435
1992	406179996.78850186
1993	311190004.0470064
1994	358239998.4356016
1995	375980002.5559963
1996	385370000.82060665
1997	374229999.3261694
1998	351680000.4467368
1999	309179999.99411404
2000	291079999.5530397
2001	264849999.26947072
2002	381349997.3993748
2003	500790000.96209353
2004	523089997.45175236
2005	619310004.3516606
2006	677770001.7262248
2007	807099991.908297
2008	901459996.2159996
2009	777689999.375492
2010	789179992.4559889
2011	903149992.931634
2012	723170002.5945903
2013	895060007.5125697
2014	788119999.8036029
2015	578770001.1767446
2016	527439995.93332416
2017	597800000.2335757
2018	606179997.1684812
2019	600930002.3615361
2020	605539998.3525279
2021	634029998.5744058
2022	633540001.8617511