Year	% of GDP
2004	29.41935947652039
2005	29.76390849448424
2006	36.029766569799754
2007	37.450501923093924
2008	38.13518246577779
2009	40.24902950136075
2010	39.561854809635356
2011	38.76463853978661
2012	41.42263705798689
2013	42.4439173337827
2014	43.39172136624788
2015	46.6652900274805
2016	48.63077507366766
2017	49.31334932512967
2018	47.750173933836976
2019	50.03215165582289
2020	55.391334872392925
2021	51.921932303235764
2022	50.72243473376452
2023	53.59707644156272