Frequencies for first 10,000 rows of caseversion variable in demo2013q2 dataset

     Safety |
     Report |
    Version |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.01        0.01
          2 |      4,787       47.87       47.88
          3 |      2,405       24.05       71.93
          4 |      1,251       12.51       84.44
          5 |        674        6.74       91.18
          6 |        417        4.17       95.35
          7 |        238        2.38       97.73
          8 |        143        1.43       99.16
          9 |         84        0.84      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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