Year	% of GDP
2000	17.4808979
2001	14.81642723
2002	12.84072018
2003	12.76533508
2004	15.61940098
2005	20.21598053
2006	20.33398056
2007	16.26939583
2008	15.20470905
2009	14.53969955
2010	13.93147564
2011	13.08627224
2012	13.03814125
2013	13.46883583
2014	13.20781231
2015	15.33984375
2016	15.73866177
2017	14.38502884
2018	15.26284122
2019	14.82552052
2020	12.58777618
2021	12.54863834