Frequencies for first 10,000 rows of drink variable in natlterr1996 dataset :

    Average |
  Number of |
 Drinks Per |
       Week |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,985       99.85       99.85
          1 |          1        0.01       99.86
          2 |          1        0.01       99.87
          4 |          2        0.02       99.89
          6 |          2        0.02       99.91
         10 |          2        0.02       99.93
         12 |          1        0.01       99.94
         20 |          1        0.01       99.95
         99 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015