Year current US$ 1965 -45281533.00958131 1966 -28218926.368289802 1967 -656254.101588135 1968 -5059929.481808315 1969 -25283950.61728395 1970 -29432098.765432097 1971 -32888888.888888888 1972 -23111101.980799217 1973 -36567171.45615352 1974 -62095863.44617725 1975 -70368961.5823507 1976 -49445264.959429406 1977 -34960000 1978 -78614682.32998659 1979 -77416683.33333333 1980 -139916666.66666666 1981 -152833341.66666666 1982 -172846485.94002643 1983 -271247885.17995 1984 -227059769.46717954 1985 -221916058.82518345 1986 -246320174.17375845 1987 -268913255.8796427 1988 -381294037.63318974 1989 -395379410.6737387 1990 -403897487.53850484 1991 -458559866.96230596 1992 -332501113.5857461 1993 -377850000 1994 -506077551.02040815 1995 -420050226.90763056 1996 -579784999.0917348 1997 -559740487.4627389 1998 -537368845.843422 1999 -345813097.86607796 2000 -502316490.516867 2001 -641455782.3129252 2002 -650860002.634005 2003 -813348972.0380988 2004 -929747244.5714704 2005 -1211048644.4532316 2006 -1616003937.797184 2007 -1948231956.020571 2008 -2569878630.4357524 2009 -2859043815.891309 2010 -4291885800.150263 2011 -4462444950.720839 2012 -4432060436.248602 2013 -5158487757.0802145 2014 -5849879969.788323 2015 -6391434590.397461 2016 -6316510578.645218 2017 -8406985329.344612 2018 -10865912856.46838 2019 -11517205869.56214 2020 -9130159283.505325 2021 -12117057230.408758 2022 -14648203187.658436 2023 -11342747485.152435