Over a particular period, an asset had an average return of 5.6 percent and a standard deviation of 9.1 percent. What range of returns would you expect to see 68 percent of the time for this asset? (A negative answer should be indicated by a minus sign. Input your answers from lowest to highest to receive credit for your answers. Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e. g., 32.16.)