Year current US$ 2005 627260832.781955 2006 720039305.118599 2007 820435699.774248 2008 918167065.415324 2009 986608916.15992 2010 1175986318.4100702 2011 2208687350.90392 2012 4448081944.8579 2013 3857468508.5913067 2014 3624118766.66127 2015 2969225875.49256 2016 3084884276.741569 2017 2804264766.99397 2018 4359032697.977896 2019 2749750127.4551315 2020 2676430832.1221733 2021 2452970176.250585 2022 2512215033.4588246 2023 1952731912.6305766