Year % of GDP 2000 5.63529348 2001 5.94238281 2002 5.73296595 2003 5.77505445 2004 5.79892111 2005 6.06710529 2006 6.33546638 2007 6.49102163 2008 6.84192228 2009 7.3113451 2010 7.07130146 2011 6.78076792 2012 6.74601603 2013 7.01724052 2014 7.18553209 2015 7.52338552 2016 7.53117037 2017 7.67864323 2018 7.62541437 2019 7.77954912 2020 8.71432114 2021 9.01772404