Year	% of GDP
1995	17.0959100375747
1996	34.6497071308352
1997	35.2108260754331
1998	46.4766514762078
1999	33.2862861390546
2000	29.1947075322242
2001	29.0301166064543
2002	28.612579801294
2003	30.2094685885497
2004	26.9424893274885
2005	27.5632390071943
2006	25.9882692375015
2007	20.7357490413301
2008	22.060976369261
2009	16.7680727471697
2010	21.2805376775865
2011	17.5647022127032
2012	16.1597177482946
2013	33.9868058928029
2014	53.241077381173