Year	% of GDP
2004	17.69645425480895
2005	18.033446935441148
2006	29.25851108650221
2007	26.57275167749929
2008	19.654391459682543
2009	37.703597400312155
2010	42.521119514660974
2011	22.981413084343625
2012	12.693845955033092
2013	24.065993841112423
2014	20.17924164087837
2015	17.21231767321263
2016	20.16713579302018
2017	22.28299234707312
2018	22.326290554989978
2019	52.87866078019792
2020	20.25881814577661
2021	19.16278165563132
2022	20.09881916656096