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25,000,000 <br />22,500,000 <br />20,000,000 <br />17,500,000 <br />15,000,000 <br />0 <br />0 <br />- 12,500,000 <br />L <br />10,000,000 <br />Cn <br />7,500,000 <br />5,000,000 <br />2,500,000 <br />0 <br />APPENDIX B - DEMAND FORECASTING PROCEDURE <br />Small Commercial Building Square Footage <br />Historical and Projected <br />F <br />Small Commercial Building Square Footage (1998 -2006) <br />Small Commercial Building Square Footage Projections (2007 -2012) <br />1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 <br />Year <br />c. Correlate building square footage to annual small commercial growth rate. The growth <br />rate for building square footage was calculated for 2008 to 2012, as summarized in the table <br />below. The average annual growth rate for 2008 to 2012 was 1.7 percent, which was applied <br />to the treated water use forecasts through 2017. <br />SMALL COMMERCIAL ANNUAL GROWTH RATE <br />Year Annual Growth Rate <br />2008 <br />2.2% <br />2009 <br />2.2% <br />2010 <br />1.8% <br />2011 <br />1.2% <br />2012 <br />1.2% <br />Average <br />1.7% <br />Graphs summarizing small commercial supporting data are provided below. <br />B -7 <br />