Frequencies for overallstarratingstr variable in snp2013 dataset :

     Overall            Star |
                      Rating |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                             |          1        0.01        0.01
                     2 Stars |         16        0.13        0.14
                   2.5 Stars |      3,279       27.60       27.74
                     3 Stars |      4,836       40.70       68.44
                   3.5 Stars |        991        8.34       76.78
                     4 Stars |        319        2.68       79.46
                   4.5 Stars |        282        2.37       81.84
                     5 Stars |         42        0.35       82.19
  Not enough data available  |      1,845       15.53       97.72
Plan too new to be measured  |        271        2.28      100.00
-----------------------------+-----------------------------------
                       Total |     11,882      100.00

by Jean Roth , jroth@nber.org , 14 Apr 2016