Year	% of GDP
2006	0.2339023148106384
2007	0.24999268141799907
2008	0.26235509330957846
2009	0.31423446905831526
2010	0.3128491054789574
2011	0.3290237911941558
2012	0.3306334898907526
2013	0.3409753245592605
2014	0.35797583927762294
2015	0.3786953387631076
2016	0.39945773256778005
2017	0.41831655523956585
2018	0.40858743836975936
2019	0.4143171207596662
2020	0.4353978893349935
2021	0.45019984730279927
2022	0.46537058922498203