Year	% of GDP
2005	15.219648113343936
2006	15.80416277025052
2007	19.746952576280293
2008	17.70747485567071
2009	16.559515122429808
2010	17.557603512707345
2011	17.834776429238442
2012	17.815202080565616
2013	17.613362702992646
2014	19.535767502554233
2015	19.465669764556214
2016	19.189074216792967
2017	19.138775584379143
2018	19.824175805804874
2019	20.301288798374486
2020	18.634099600000077
2021	19.197368676540083
2022	19.741354394624775