Year current US$ 1981 26315845902.189396 1982 24278174378.692997 1983 23121471387.24086 1984 23376655374.855484 1985 23667540773.315292 1986 26077864118.64268 1987 30818254249.03654 1988 35381714029.929695 1989 37819317769.94419 1990 44565844498.82447 1991 52290073209.84452 1992 29926888815.713737 1993 30519556510.750214 1994 29685878263.517223 1995 32482049519.665 1996 33726620605.236088 1997 37338221417.68706 1998 35449356131.67039 1999 32475883060.778156 2000 35900346535.49726 2001 32624871218.718575 2002 34162205542.189636 2003 39090263353.75507 2004 43551167943.22194 2005 50432689689.6471 2006 58028410812.734276 2007 72849598326.06331 2008 86986481846.85031 2009 89491806787.75067 2010 92637752608.9727 2011 95612533952.74747 2012 103298181040.9646 2013 107577979096.93085 2014 117154536437.00858 2015 115566237198.7832 2016 107834924528.69342 2017 118861058444.17542 2018 120650999124.21153 2019 127149416696.71776 2020 136047480543.83676 2021 145658262815.18857 2022 164474048454.47314 2023 181314120028.29166