Year % of GDP 2005 49.97373459158981 2006 47.82350819982886 2007 43.96766893162793 2008 52.508082480822026 2009 27.67264122481067 2010 35.97825386450686 2011 42.74778950101648 2012 41.711428113388635 2013 41.38548407198379 2014 37.97563673220032 2015 25.071538670813336 2016 24.444461346609998 2017 32.10213057333525 2018 40.28107023086822 2019 37.350147579137804 2020 24.031472414508936 2021 40.51407192784453