Year	% of central government expense
1992	0.000265261003161587
1994	1.9903691607005072
1995	0.4656292276816666
1996	1.114628317031072
1997	0.3588573414363486
1998	0.32798055929597986
1999	0.4205155686981981
2000	0.6244982130973525
2001	1.1064728772525554
2002	1.1679391071102505
2003	0.843980978955698
2004	0.7124955967710322
2005	0.717767630763206
2006	1.0924751852855854
2007	0.7480645711933566
2008	0.9255234137465533
2009	0.6738687835944013
2010	0.5409884754320211