Year constant 2015 US$ 1970 9114007098.033587 1971 10436654086.408976 1972 11692842362.148817 1973 13172038290.852724 1974 13799077281.96366 1975 10318927002.123428 1976 10669789373.038662 1977 11950240476.670692 1978 11971452144.11366 1979 13477355157.6078 1980 14409539040.975767 1981 14745549472.337095 1982 15315907887.917564 1983 14375128608.185925 1984 13736428636.594519 1985 13930099659.217566 1986 16281946338.117172 1987 20036608968.81717 1988 23639986188.341774 1989 25035388375.007008 1990 28667520840.117947 1991 30743715698.419117 1992 34035106769.2031 1993 32912786771.281616 1994 35817636865.12653 1995 38475413971.40974 1996 40751786035.924576 1997 44938464138.89879 1998 51515769724.83863 1999 56161340140.34956 2000 59271403519.4187 2001 59870068937.37768 2002 59699760927.69252 2003 59570539289.8601 2004 63990384855.33783 2005 65388607423.77103 2006 70331591645.71712 2007 74269088686.63744 2008 75926172817.09523 2009 68716677881.20618 2010 74077345997.41829 2011 69498779065.37221 2012 65136719150.264015 2013 68185506351.40972 2014 73586318863.03041 2015 79509937177.2523 2016 83495142162.9566 2017 90260091897.4976 2018 94745047007.9359 2019 99427911480.2394 2020 87684784884.37456 2021 98421014108.32962 2022 109302724881.52922 2023 111741367644.34952