Year current US$ 1970 1427532318628.041 1971 1584238695958.3167 1972 1833093971094.5825 1973 2191933958314.7004 1974 2462422981343.9766 1975 2814714996976.1924 1976 3050864015055.851 1977 3457062180165.0938 1978 4114529576247.844 1979 4761212866136.042 1980 5335153494142.12 1981 5396356835110.695 1982 5456229603915.367 1983 5696593861430.93 1984 5877554707158.929 1985 6214155755808.042 1986 7521978775728.831 1987 8707355389989.993 1988 9729993166185.137 1989 10081300280232.688 1990 11318920207246.88 1991 11933357831781.633 1992 12828271322100.703 1993 13043150043551.516 1994 13971980107609.049 1995 15358437111568.979 1996 15559752616163.334 1997 15367871416004.15 1998 15476920547125.754 1999 16285038788134.504 2000 16663285957750.225 2001 16727600679966.668 2002 17507218453595.254 2003 19560167176618.35 2004 21664831352773.562 2005 22919654641906.082 2006 24151110820181.312 2007 26400014325002.004 2008 28315962939196.19 2009 26907997337990.42 2010 28008830696150.96 2011 30249113605953.086 2012 30365209850259.484 2013 30778936805492.05 2014 31271348378565.6 2015 29363529404683.75 2016 30031517318447.7 2017 31434046177580.293 2018 33203196606291.043 2019 33468258568652.066 2020 32160984180263.895 2021 35910892961074.54 2022 37370657343732.44