Year	% of GDP
2000	31.3764073226545
2001	33.973123620309
2002	42.3572707659115
2003	36.0576871657754
2004	67.6216610925307
2005	59.0909062170706
2006	82.4462377122431
2007	74.963146394756
2008	34.3924971031286
2009	15.2646832579186
2010	19.139009009009
2011	21.8072977481234
2012	32.9127048879089
2013	34.5794913596348
2014	28.432191475827
2015	19.4690273843248
2016	21.4166340739258
2017	24.2841919916724
2018	26.1311172668513