Year % of GDP 2000 0.5474357124432232 2001 0.8540684462020309 2002 0.6173579709791958 2003 0.5881464870491201 2004 0.5597603486442673 2005 0.5888654930530045 2006 0.5575404063125778 2007 0.6371519503599257 2008 0.6433813073201062 2009 0.4583525919955905 2010 0.44100180060071514 2011 0.30949509073169496 2012 0.1889642805627445 2013 0.22782320388999971 2014 0.20732830886914677 2015 0.2059426052106668 2016 0.16956720845354048 2017 0.16628097429291497 2018 0.21477929643408675 2019 0.23176760464027757 2020 0.2684193513230973 2021 0.2591550344823299 2022 0.26629109719090505