Year current US$ 1970 1110000.01430511 1971 50000.0007450581 1972 9999.99977648258 1973 1870000.00476837 1974 2619999.8855590797 1975 12159999.8474121 1976 4849999.90463257 1977 6019999.98092651 1978 6320000.17166138 1979 4389999.8664856 1980 6789999.96185303 1981 20420000.0762939 1982 12529999.7329712 1983 13449999.8092651 1984 16739999.7711182 1985 14960000.038146999 1986 12819999.6948242 1987 11649999.6185303 1988 7510000.228881841 1989 4099999.90463257 1990 15500000 1991 1870000.00476837 1992 10539999.961853001 1993 6469999.79019165 1994 6260000.228881841 1995 7190000.05722046 1996 5340000.15258789 1997 7179999.82833862 1998 5019999.98092651 1999 7130000.11444092 2000 5960000.03814697 2001 7079999.92370605 2002 12550000.1907349 2003 15189999.5803833 2004 14869999.8855591 2005 16090000.152587902 2006 24530000.6866455 2007 66139999.38964839 2008 111599998.47412099 2009 59229999.5422363 2010 48099998.4741211 2011 46919998.1689453 2012 46490001.6784668 2013 42810001.373291 2014 39130001.0681152 2015 117279998.77929701 2016 36580001.8310547 2017 36270000.4577637 2018 27340000.1525879 2019 14439999.5803833 2020 24840000.1525879 2021 64930000.305175796 2022 16950000.762939498