Year	% of GDP
2001	9.914023515334254
2002	10.146486288122986
2003	9.750233542532552
2004	8.746697514206508
2005	7.8725931555419155
2006	6.917822054790658
2007	6.732997876893614
2008	7.2968356174587985
2009	10.234142913244598
2010	9.683489668125599
2011	9.672873376006395
2012	9.476950826595923
2013	10.706921344398634
2014	10.642315832092555
2015	12.021076101859062
2016	12.112293256316594
2017	13.045776545300244
2018	11.68541975762726
2019	12.25514282974186
2020	14.450109662219123