Year constant 2021 US$ 1960 7869050435 1961 8372356426 1962 8321886191 1963 6852233290 1964 6650707752 1965 5865323075 1966 5653780203 1967 6090133084 1968 6065497709 1969 6640648192 1970 5150946201 1971 5324358228 1972 5449446287 1973 4938150729 1974 5254330650 1975 5228441872 1976 5046576723 1977 4931714820 1978 5136911955 1979 5837685308 1980 6146046139 1981 7259674974 1982 8058590656 1983 8129892469 1984 9056707205 1985 9145678269 1986 8657297054 1987 9518950782 1988 9516770404 1989 10481339305 1990 10758362362 1991 11205049391 1992 11546905955 1993 11630596170 1994 12087645956 1995 10716309541 1996 9564262914 1997 9155287768 1998 8344476688.999999 1999 8535696016 2000 7073008252 2001 7297728507 2002 8879548479 2003 9613127130 2004 10048740881 2005 11661752035 2006 11950611907 2007 9961586533 2008 10192356331 2009 12189340748 2010 12994375567 2011 12340546224 2012 12212982196 2013 11059076206 2014 10306512762 2015 10373887088 2016 11019058265 2017 12663353806 2018 13571651457 2019 13185489871 2020 16838531471.999998 2021 16721919999.999998 2022 19293216103