Year	% of GDP
2002	10.398661895314493
2003	10.982337753358557
2004	12.203472126759946
2005	11.31449803876289
2006	11.624463566123174
2007	12.234092590874113
2008	11.47775746102417
2009	12.129129012623897
2010	13.619636829856935
2011	13.940711253019911
2012	15.574497218509592
2013	16.825953201079567
2014	15.465133117892552
2015	14.97638663936244
2016	16.177253148962876
2017	16.797969011093393
2018	16.822757688002195
2019	18.606547049627256
2020	16.035767605155332
2021	18.108663167787935
2022	19.687834073467858