Frequencies for first 10,000 rows of drink variable in natl1991 dataset :

    Average |
  Number of |
 Drinks Per |
       Week |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,790       97.90       97.90
          1 |         30        0.30       98.20
          2 |         14        0.14       98.34
          3 |          6        0.06       98.40
          4 |          4        0.04       98.44
          5 |          5        0.05       98.49
          6 |          9        0.09       98.58
          7 |          1        0.01       98.59
          8 |          1        0.01       98.60
         14 |          1        0.01       98.61
         21 |          1        0.01       98.62
         99 |        138        1.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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