Year current US$ 2000 10406046310.528841 2001 11738187456.909843 2002 13894304906.60038 2003 18828964127.875717 2004 20812467259.726944 2005 20295223734.036304 2006 18970621394.502853 2007 24758982437.977314 2008 20924695497.666252 2009 22069946917.733925 2010 25678471034.830395 2011 29398524188.283276 2012 30739889364.593704 2013 37449104095.67632 2014 39511059973.12356 2015 36991774795.309746 2016 38885839282.761536 2017 42686860762.411415 2018 42348903019.86854 2019 45239367125.17521 2020 43122225854.83198 2021 47033535931.21679 2022 43594398919.5846