Cook County Board of Review
 
       Year                               Percent

1990 36.3 %
1991 43.4 %
1992 38.8 %
1993 31.4 %
1994 35.9 %
1995 37.5 %
1996 30.4 %
1997 45.6 %
1998 45.3 %
1999 43.15 %
2000 67 %
2001 61.83 %
2002 50.67 %
2003 56.42 %
2004 49.14 %
2005 50.56 %
2006 61.13 %
2007 72.56 %
2008 65.76 %
2009
75.62
%
2010
67.3
%
2011
61.88
%
2012 64.36 %
2013
61.08
%
2014 58.6 %
2015 64.1
%