Frequencies for overallstarratingstr variable in mmp2018 dataset :

  Overall Star |
        Rating |      Freq.     Percent        Cum.
---------------+-----------------------------------
               |          1        0.28        0.28
Not Applicable |        359       99.72      100.00
---------------+-----------------------------------
         Total |        360      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018