Year % GDP 2001 71.776397881 2002 75.40688794642658 2003 85.71898387088376 2004 104.89955932470502 2005 124.6403805509429 2006 144.5708584940264 2007 158.0991297096176 2008 166.32263914762612 2009 169.25229220981515 2010 133.3180844410675 2011 115.60757829002807 2012 111.522483244918 2013 104.47407476785632 2014 80.42211066834668 2015 52.973199571539 2016 48.477552160194065 2017 44.027315345828725 2018 40.65124746639373 2019 36.80350265000541 2020 32.898631792987054 2021 27.360119597371614 2022 26.167410723381252 2023 26.227672046889968