Year % of GDP 2000 37.286115356281904 2001 62.69610851658831 2002 66.70672138668803 2003 49.65773963079079 2004 47.503331331457964 2005 46.02421296272659 2006 45.325725190811575 2007 35.65901297139887 2008 35.215109252973896 2009 30.113998117520257 2010 34.950594953068645 2011 38.7023981567049 2012 47.71106977236798 2013 45.015449194355725 2014 40.4885980855756 2015 43.346419593102574 2016 39.356230552405286 2017 41.52834439297649 2018 45.87546580131933 2019 40.644818010546224 2020 36.65577273242535 2021 43.164057379800695 2022 43.77279516549651