Frequencies for first 10,000 rows of versionnum variable in bencs2014 dataset :

    Version |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        102        1.02        1.02
          2 |         30        0.30        1.32
          3 |        224        2.24        3.56
          4 |        234        2.34        5.90
          6 |      5,692       56.92       62.82
          7 |        487        4.87       67.69
          8 |        216        2.16       69.85
         10 |      3,015       30.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 6 Oct 2016