Frequencies for first 10,000 rows of drink variable in natl1993 dataset :

    Average |
  Number of |
 Drinks Per |
       Week |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,823       98.23       98.23
          1 |         26        0.26       98.49
          2 |         11        0.11       98.60
          3 |          7        0.07       98.67
          5 |          5        0.05       98.72
          6 |          5        0.05       98.77
          7 |          1        0.01       98.78
         10 |          1        0.01       98.79
         12 |          1        0.01       98.80
         99 |        120        1.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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