Page 17 - Summary Report
P. 17
History of Approved Rate Changes
Cumulative Index
Percent Change from from February 1, 1988
Effective Date Previous Rates Rate Level
February 1, 1988 -------- 100.00
August 1, 1994 18.00 118.00
August 1, 1997 11.79 131.91
October 1, 1998 -15.00 112.12
December 1, 1999 0.50 112.68
March 1, 2001 -11.15 100.12
December 1, 2001 28.50 128.65
December 1, 2002 6.67 137.23
December 1, 2003 -7.09 127.50
December 1, 2004 13.53 144.75
December 1, 2005 8.10 156.47
December 1, 2006 2.57 160.49
December 1, 2007 -22.00 125.18
October 1, 2008 -11.57 110.70
December 1, 2008 -9.74 99.92
December 1, 2009 -8.49 91.44
December 1, 2010 -3.75 88.01
December 1, 2011 16.50 102.53
December 1, 2012 19.00 122.01
December 1, 2013 11.40 135.92
December 1, 2014 -9.70 122.74
December 1, 2015 7.09 131.44
December 1, 2016 0.00 131.44
December 1, 2017 -5.73 123.91
Source: DE Rate Filings 1988- 2017
