The following table shows the nominal returns on Andorran stocks and the rate of Inflation. Year 2012 2013 2014 2015 2016 2017 Nominal Return (%) @.5 - 16.0 -14.0 -43.1 67.9 28.6 Inflation (%) 7.5 7.6 8.1 12.4 8. 4.6 What was the standard deviation of the market returns? (Use decimals, not percents, In your calculations. Do not round Intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Standard deviation %