Year current US$ 1970 1434702654.272595 1971 1779572994.8066936 1972 2339572192.513369 1973 3073605120.356199 1974 2875068946.497518 1975 2971538287.779535 1976 3630163678.8776307 1977 4038708403.278365 1978 4937290969.899666 1979 5935089652.409096 1980 6695618606.446631 1981 6818749479.64366 1982 6702112163.146395 1983 6905888538.380651 1984 6892046043.762314 1985 7232225063.938619 1986 8152196873.679764 1987 10547199009.594553 1988 11833172302.73752 1989 11573060306.563295 1990 12175342138.289608 1991 12465113661.940132 1992 12991280306.252659 1993 14314473756.982468 1994 17024848891.873741 1995 18787858660.998936 1996 19884140419.03705 1997 18712727731.198387 1998 16652981735.880836 1999 18187243759.4063 2000 18810433407.98314 2001 19087560689.770634 2002 21885258021.58805 2003 26333821912.788567 2004 30697142857.142857 2005 32448778427.09287 2006 33025095648.79061 2007 40159476739.91328 2008 42706825050.95944 2009 34875382597.289024 2010 44356174905.21788 2011 51152198481.99975 2012 50852168174.684425 2013 55007020974.95421 2014 56333268810.66299 2015 49784689412.29798 2016 50322131532.691734 2017 56986304614.273415 2018 59071100322.31852 2019 58214279832.001976 2020 46216150491.49776 2021 56657235818.36186 2022 60190212509.642845