Year	% of GDP
2002	74.77007970570202
2003	71.8849840255591
2004	68.94917039768238
2005	64.88256549232159
2006	70.8742194469224
2007	68.56187290969899
2008	79.02921771913289
2009	82.78981194953583
2010	84.32007400555041
2011	86.9287236561686
2012	86.91611640988016
2013	95.18459069020867
2014	99.32678821879382
2015	98.25279825279826
2016	95.57661927330173
2017	99.89457037427518
2018	110.96099923527913
2019	106.26061635525359
2020	100.28646455001193
2021	99.41494149414942