Year	% of GDP
2002	15.818516247700797
2003	11.588730758059832
2004	12.141164076902818
2005	13.053297199638664
2006	14.11685994647636
2007	11.893812709030101
2008	12.276154571159283
2009	10.40228517019757
2010	9.50508788159112
2011	9.235140895098272
2012	7.141110295915872
2013	7.972177635098983
2014	8.415147265077138
2015	7.807807807807808
2016	7.214323328067404
2017	7.986294148655772
2018	12.23553403007902
2019	24.241688910458624
2020	17.808546192408688
2021	11.296129612961296