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