Year % of GDP 1995 8.187704244796674 1996 8.352570983252217 1997 8.130781224591308 1998 7.623740710271261 1999 6.7852338589095424 2000 6.418262590400456 2001 6.329382187639597 2002 6.232244914719596 2003 6.32006559696663 2004 6.390962202243234 2005 5.465201898028558 2006 5.532774724110158 2007 5.554116279759923 2008 5.6250839239205295 2009 5.778407416967867 2010 10.383308180372966 2011 9.980917411041672 2012 10.44518628503481 2013 10.916167082687366 2014 10.317461847844573 2015 10.654912672918588 2016 10.398376707029701 2017 10.134927292470618 2018 9.74588920041204 2019 9.578836311778268 2020 9.47881324432711 2021 9.58508558186606 2022 8.934138306890988