Year % of GDP 1992 32.180336311939364 1993 33.40206423486796 1994 33.34402618466524 2002 41.853149325342486 2003 41.66783305365423 2004 41.03651527792864 2005 41.3936693354915 2006 39.92032688810077 2007 36.98065283329935 2008 38.15180145135365 2009 42.57762538040692 2010 43.325042420494455 2011 44.81742400792648 2012 43.35482049730574 2013 53.73439969399523 2014 44.56018197446095 2015 43.046015842269256 2016 41.20410599384317 2017 38.953114200885494 2018 37.78083914696788 2019 37.66858786677216 2020 45.67125225545065 2021 43.42760666644682 2022 40.57231056446996