Year	% of GDP
2001	100.53100868818
2002	97.4209319783537
2003	91.6503666429691
2004	92.7064174018255
2005	106.687178079611
2006	107.523324070151
2007	112.091990180569
2008	115.480618926843
2009	115.659564558291
2010	147.55911362408
2011	156.009638526013
2012	139.119018497843
2013	137.051281082794
2014	137.783415875372
2015	134.504231853817
2016	124.399430162332
2017	115.060907599085
2018	91.8946917734169