Year	% of GDP
1998	4.76316022872925
1999	4.39526987075806
2000	4.71536016464233
2001	4.79850006103516
2002	4.87177991867065
2004	4.3571400642395
2005	4.62369012832642
2007	4.70252990722656
2008	4.82732009887695
2009	5.79777002334595
2010	6.75098991394043
2011	5.91438007354736
2012	6.34758996963501
2013	6.44277000427246
2014	5.85084009170532
2015	5.88782978057861
2016	5.49105978012085