Year	% of GDP
2007	36.204340368350174
2008	36.06061626190623
2009	34.58375619299995
2010	34.45735595045723
2011	33.005517112164426
2012	32.8446909822814
2013	37.4313287877313
2014	38.950527036020134
2015	39.00836290493041
2016	39.76819933818816
2017	40.601869338086416
2018	40.27966135354756
2019	41.08355377815102
2020	41.290402903260876
2021	36.237341608749034
2022	40.62403007753631