Year % of GDP 2007 33.18654035957281 2008 38.23833522869109 2009 48.86900148003432 2010 57.92706971134385 2011 52.884136959104296 2012 41.32965946801841 2013 44.553652135082075 2014 45.7169557080629 2015 51.21458278278278 2016 48.23547845685579 2017 47.708149238756285 2018 47.105846964519294 2019 46.652640001632875 2020 52.827129194301406 2021 46.481447872274266