The following frequency distribution shows the monthly stock returns for Home Depot for the years 2003 through 2007.
Class (in percent) Observed Frequency
Return <?5 13
?5 ? Return < 0 16
0 ? Return < 5 20
Return ? 5 11
Over the time period, the following summary statistics are provided: Mean = 0.31%, Standard deviation = 6.49%, Skewness = 0.15, and Kurtosis = 0.38. The expected frequency for the class 0 ? Return < 5 if the return is normally distributed is _______.