Year constant 2015 US$ 1980 57055281003.71115 1981 60424381181.08068 1982 59212065602.43931 1983 63014538785.40335 1984 68845283352.0774 1985 77506483647.55788 1986 78014995769.21887 1987 86041633667.33946 1988 75073122995.04086 1989 64538846497.3599 1990 18487245745.04397 1991 10071878318.584072 1992 10646184762.877243 1993 10901362661.67461 1994 11203150839.573408 1995 14519800884.955755 1996 18868758792.829594 1997 20207861356.93216 1998 16698099046.970734 1999 13738664057.18176 2000 11381010324.48378 2001 11519280689.811666 2002 12539621624.688 2003 13349993759.927391 2004 16621797708.191515 2005 18132106308.146133 2006 19521600294.985252 2007 23352253800.7715 2008 23930890061.266167 2009 21127248695.257545 2010 23459524052.64352 2011 26404580780.57635 2012 26942644088.949394 2013 29537763784.887676 2014 30459722600.40844 2015 32421689925.11913 2016 35213997617.42683 2017 37237647492.62537 2018 37885825391.422745 2019 39390065237.12277 2020 35304829816.20151 2021 39246400612.66169 2022 43809476401.179955 2023 42987151123.21308