Year % of government expenditure 1991 14.713020324707 1992 14.7216901779175 1993 14.5736703872681 1994 16.8130302429199 1995 16.8445606231689 1996 15.2523002624512 1997 12.2958202362061 1998 23.9824295043945 1999 23.3293991088867 2000 17.8365898132324 2001 20.8961391448975 2002 21.2941207885742 2003 21.4552192687988 2004 20.1886596679688 2005 19.2922897338867 2006 21.6038703918457 2008 19.2574195861816