Frequencies for first 10,000 rows of drink variable in natlterr1995 dataset :

    Average |
  Number of |
 Drinks Per |
       Week |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,977       99.77       99.77
          1 |          1        0.01       99.78
          3 |          1        0.01       99.79
          4 |          1        0.01       99.80
          5 |          1        0.01       99.81
          7 |          1        0.01       99.82
          8 |          1        0.01       99.83
         10 |          1        0.01       99.84
         12 |          1        0.01       99.85
         16 |          1        0.01       99.86
         20 |          1        0.01       99.87
         99 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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