Year	% of GDP
2002	36.15115459959918
2003	37.44480384072605
2004	41.11089533642428
2005	39.00778718419036
2006	39.831024325287196
2007	40.29468522130096
2008	45.40983087164877
2009	45.24443492614823
2010	48.879376909689135
2011	49.69682039625666
2012	50.57939792366063
2013	52.6827434733525
2014	52.9908650351499
2015	53.23529349865026
2016	59.023216414409504
2017	58.32905000977484
2018	59.477422910665275
2019	55.47280674083061
2020	52.57210908906126
2021	47.16042238796904
2022	45.049908799859125