Frequencies for first 10,000 rows of caseversion variable in demo2015q4 dataset

     Safety |
     Report |
    Version |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |      4,140       41.40       41.40
          3 |      2,303       23.03       64.43
          4 |      1,398       13.98       78.41
          5 |        812        8.12       86.53
          6 |        527        5.27       91.80
          7 |        374        3.74       95.54
          8 |        266        2.66       98.20
          9 |        180        1.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 6 Apr 2017