Year	% of central government expense
2003	2.4559499870405865
2004	3.4102418949983684
2005	-0.05869063148131374
2006	-0.07845937545843953
2007	1.3674756415377978
2008	0.6276651941442066
2009	0.7741581349828186
2010	1.0011773439950924