Year current US$ 1995 17347175141.24294 1996 23282569832.402237 1997 27604248769.5144 1998 20397535590.381626 1999 20275341937.143593 2000 7214555638.406165 2001 14927046286.214207 2002 19976331673.351624 2003 25827365964.289562 2004 32404685396.376244 2005 32413452688.94891 2006 38336659925.11818 2007 52247928695.458786 2008 63569016662.628876 2009 51181420407.631775 2010 46929786733.11986 2011 55565833576.51493 2012 49277793375.94475 2013 52370920714.10034 2014 50863114463.66998 2015 42448238316.8863 2016 42656425335.32055 2017 47088119444.48183 2018 55008797348.04291 2019 56631026421.9827 2020 57774903111.85494 2021 68145214620.53249 2022 70536330997.57686 2023 78573620662.48318