Year current US$ 1995 52813218390.804596 1996 50725472312.70358 1997 46496842580.06315 1998 46946765947.98844 1999 44694827428.72597 2000 41523865340.07852 2001 40342826002.32288 2002 43394458524.94125 2003 51530124780.744995 2004 59406411226.52525 2005 61216581533.385185 2006 61314657349.41168 2007 70922375577.21591 2008 72388378038.67186 2009 62426974247.07027 2010 64214798756.666794 2011 67661692084.630486 2012 62635374936.91408 2013 65550726755.33352 2014 67270098564.588 2015 58685798177.69528 2016 58826808693.15189 2017 62489218021.41187 2018 66139475417.01956 2019 66155122261.96068 2020 64504383056.80952 2021 72372234395.73528 2022 73787855207.97694 2023 75079400923.13858