Year	% of GDP
1995	18.19822357451853
1996	18.131470711720457
1997	18.5147590933652
1998	15.90736492349609
1999	15.353460682704005
2000	16.459629468952922
2001	17.613786140888273
2002	16.45022464999129
2003	17.115620989950276
2004	17.61388292547739
2005	16.392281905515482
2006	16.953391483691416