Frequencies for first 10,000 rows of caseversion variable in demo2015q1 dataset

     Safety |
     Report |
    Version |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |      4,944       49.44       49.44
          3 |      2,375       23.75       73.19
          4 |      1,066       10.66       83.85
          5 |        646        6.46       90.31
          6 |        376        3.76       94.07
          7 |        285        2.85       96.92
          8 |        181        1.81       98.73
          9 |        127        1.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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