Year	% of GDP
2000	11.024170844089127
2001	11.046209350597664
2002	12.22504984945489
2003	15.229679108423314
2004	15.760202770672613
2005	15.26846066620017
2006	14.218666198057173
2007	15.033449360790232
2008	13.840085211739146
2009	15.066070059452697
2010	15.245817733953823
2011	13.137840102326464
2012	13.794157012197042
2013	14.727500397519478
2014	13.197903844085115
2015	14.863566959738966
2016	16.048046689601613
2017	17.39816558799086
2018	12.431004538116618
2019	15.433762173556453
2020	15.006460045591155