Year % of GDP 2008 5.76128903307145 2009 4.968462632998491 2010 4.14063254299941 2011 6.09441532228387 2012 8.7711241134394 2013 6.5698143952479 2014 8.46061686026832 2015 8.908535203341621 2016 4.01385654087298 2017 2.0613444319727803 2018 3.1954011401658597 2019 3.34971373830548 2020 2.27987941114745 2021 2.62614385621105 2022 3.0210780434718