Year	% of GDP
2005	45.35305823893117
2006	38.02658507034992
2007	37.209019923432955
2008	34.95931274741036
2009	37.3240247846364
2010	40.65490646334882
2011	42.974680011458226
2012	48.675503632786985
2013	52.83946875734716
2014	57.7699306734885
2015	67.5425143488225
2016	76.41739457007068
2017	78.2977957478939
2018	81.60071129210974
2019	86.22791688916928