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Calculating the COLA - 2010
http://www.leoff1.net/articles/96/1/Calculating-the-COLA---2010/Page1.html
By Jerry Taylor
Published on 02/18/2010
 
In our article "How to Calculate the COLA" we showed each of the steps needed to acquire the information from the Bureau of Labor Statistics and to calculate the amount of the COLA.  In this article we complete the calculation for the 2010 adjustment.

The calculation.

BLS Series Id:    CWUSA423AA0
Not Seasonally Adjusted
Area:         Seattle-Tacoma-Bremerton, WA
Item:         All items - old base
Base Period:  1967=100
Year Annual
1999 499.1
2000 517.8
2001 536.2
2002 545.9
2003 553.6
2004 562.3
2005 579.3
2006 600.9
2007 623.65
2008 651.608
2009 654.472

Calculation: Last year divided by prior year minus one times 100.
((654.472/651.608) -1) * 100 = 0.0439528 or 0.44%