Year % of GDP 1996 67.906842919103 1997 108.50197566967555 1998 96.27268491589405 1999 95.0902482081845 2000 73.09305826596042 2001 73.52222930030665 2002 78.01169506504564 2003 86.92507294440857 2004 102.97099379912065 2005 108.74269382969368 2006 114.14570776065389 2007 124.65876668200644 2008 77.58323006423717 2009 70.89752978920018 2010 78.01313875709931 2011 57.65084288354898 2014 66.09476412682078 2015 61.849136142564674 2016 60.13680277925013 2017 61.27596651172848 2018 57.834894777196475 2019 69.54714713187349 2020 71.07684903156098 2021 73.01901501028259 2022 68.18400490888129