Year % of central government expense 1986 53.01312885772339 1987 53.31722514489664 1988 76.08675640111768 1989 78.60155812555803 1990 70.21317621526883 1991 61.550233837180954 1992 66.273781569708 1993 46.77634173941938 1994 47.4976756076962 1995 57.089740208114435 1996 54.56517834641544 1997 40.26243588850127 1998 32.858405600677756 1999 30.59902560552514 2000 24.685038154715016 2001 34.24482733085442 2002 26.3817630786286 2003 33.450826116563896 2004 29.600041944648233 2005 21.880060147237852 2006 29.459967596898405 2007 14.841878161349015