Year % of GDP 2000 33.58033954296748 2001 22.55973354016409 2004 44.44186498656896 2005 53.31648098092835 2006 65.75352418248282 2007 110.86564427653111 2008 44.58617899522866 2009 67.00810593707118 2010 70.49706336585244 2011 47.631307172284984 2012 57.08807522747245 2013 49.99969258640623 2014 57.90252712669397 2015 57.45949348647317 2016 54.3192318536035 2017 71.21028249595065 2018 58.32576852250382 2019 54.34753598860653 2020 61.94220529919732 2021 75.02562530802986 2022 66.2826354722639