Year	current US$
1970	570000.0002980232
1971	869999.974966049
1972	1639999.985694885
1973	2399999.976158145
1974	11099999.800324403
1975	10180000.036954878
1976	13289999.961853001
1977	15229999.5422363
1978	7780000.20980835
1979	8050000.19073486
1980	3839999.91416931
1981	310000.002384186
1982	579999.983310699
1983	1539999.96185303
1984	2299999.95231628
1985	1779999.9807029925
1986	2269999.98092651
1987	3930000.0667572
1988	620000.004768372
1989	3529999.97138977
1990	2689999.885857103
1991	3870000.02712011
1992	28150000.42878089
1993	5329999.906942249
1994	88720000.81837173
1995	65490001.78836287
1996	56690001.05373563
1997	64320000.71927901
1998	44410000.22739169
1999	49910000.37640329
2000	50579999.975860074
2001	59460000.51498417
2002	57069999.60914247
2003	64130001.53377649
2004	68220001.9992888
2005	69680000.96082689
2006	72410000.74148183
2007	75829997.88224693
2008	68600000.2622604
2009	81309999.28712845
2010	77090000.75981025
2011	91609999.54491861
2012	68349999.66621402
2013	57180000.39458272
2014	70159999.84741211
2015	59139999.618753865
2016	59000000.14901166
2017	63829999.32765961
2018	63720000.98228455
2019	69090001.58309937
2020	63619999.88555908
2021	67399999.0504235
2022	232259999.51362607
