Year	% of GDP
2001	14.055373129388363
2002	15.490810330636487
2003	18.360662888367838
2004	20.570215684504863
2005	23.41727969589074
2006	27.156558353198808
2007	33.697817993723746
2008	31.905840331787527
2009	29.026391213583068
2010	27.21667465534905
2011	26.60713207954677
2012	29.007600447824778
2013	32.32642861187273
2014	34.353853841771645
2015	37.358772888223996
2016	39.2666606957787
2017	43.475284362241965
2018	40.522930085757494
2019	32.703185653561704
2020	30.306648579100415
2021	28.387115619456598
2022	29.794266163365997