Year	% of GDP
2003	25.243417977878174
2004	25.77442299317753
2005	26.734742767377927
2006	25.285724439818868
2007	25.94993899344385
2008	25.400067111160247
2009	24.70741403439269
2010	24.68692067314729
2011	25.926033485091775
2012	24.404019298210848
2013	22.990297057856786
2014	23.439712499493165
2015	25.265078457095314
2016	27.391184728608152