Frequencies for first 10,000 rows of drink variable in natlterr1998 dataset :

    Average |
  Number of |
 Drinks Per |
       Week |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,991       99.91       99.91
          2 |          1        0.01       99.92
          3 |          2        0.02       99.94
          5 |          1        0.01       99.95
          8 |          1        0.01       99.96
         99 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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