Stryker Corporation is a leading medical technology company headquartered in Kalamazoo, Michigan, that trades on the New Yor Stock Exchange. Following are selected financial data for Stryker for the period 2009 to 2013. Profit margin (%) Retention ratio (%) Asset turnover (X) Financial leverage (X) Growth rate in sales (%) 2009 2010 2011 2012 2013 15.9 16.9 15.9 14.7 18.9 81.7 88.6 78.9 74.7 59.9 8.70 8.70 0.70 0.70 0.60 1.70 1.70 1.78 1.70 1.80 .9 7.9 12.6 3.4 3.9 Source: Data from Stryker 2009 to 2013 annual reports. Calculate Stryker's annual sustainable growth rate from 2009 through 2013. Note: Round your answers to 1 decimal place. Year Bustainable Growth Rate 2009 2010 2011 2012 2013