Year	% of GDP
1991	14.20314208320417
1992	13.938282498515589
1993	13.765147304522351
1999	15.406505510973162
2005	14.07892922488053
2006	14.552982135365887
2007	14.776371441677819
2008	14.375202319427114
2009	13.16599185697936
2010	13.35308155840083
2011	13.702808447037068
2012	13.751008669043934
2013	13.968646591573833
2014	13.952723088617388
2015	13.959327094837981
2016	13.840291729713194
2017	14.121744100398294
2018	13.831652323359997
2019	13.742231375133287
2020	13.628897442703089
2021	14.301743467965109
2022	14.679251592627383