Year current US$ 1970 200000.00298023192 1971 900000.0022351741 1972 560000.002384186 1973 -190000.0050663947 1974 6499999.808147553 1975 1199999.9992549405 1976 1890000.0248104297 1977 3810000.086203215 1978 5089999.973773955 1979 10100000.16912818 1980 28579999.838024367 1981 16379999.93935232 1982 6189999.906346198 1983 7220000.043511391 1984 5919999.940320852 1985 6620000.198483473 1986 9930000.04068017 1987 11150000.482797619 1988 24940000.295639012 1989 41789999.57442282 1990 52159999.99642371 1991 221950000.81695604 1992 286749989.7684902 1993 359469992.6637111 1994 226029995.56437185 1995 249710002.98112664 1996 198120000.02712053 1997 154389997.21407914 1998 149029999.63611344 1999 137210002.99043995 2000 145660002.29679078 2001 156519999.93249747 2002 133919997.50956896 2003 132470001.48147349 2004 128790002.41309403 2005 23340000.75794761 2006 22650000.406429145 2007 26789999.544620484 2008 29389999.985694885 2009 28610000.014305115 2010 30279999.673366573 2011 35159999.43017956 2012 42659998.968243636 2013 36589998.476207264 2014 33530000.410974003 2015 27920000.523328763 2016 41220001.10894438 2017 49040000.32693149 2018 38989999.99463558 2019 27779999.360442124 2020 34690000.936388925 2021 36300000.876188315 2022 31839998.930692714