Frequencies for first 10,000 rows of cigar variable in natl1990 dataset :

    Average |
  Number of |
 Cigarettes |
    Per Day |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,344       83.44       83.44
          1 |         28        0.28       83.72
          2 |         46        0.46       84.18
          3 |         46        0.46       84.64
          4 |         38        0.38       85.02
          5 |         88        0.88       85.90
          6 |         36        0.36       86.26
          7 |         17        0.17       86.43
          8 |         22        0.22       86.65
          9 |          1        0.01       86.66
         10 |        517        5.17       91.83
         12 |         16        0.16       91.99
         13 |          2        0.02       92.01
         15 |         52        0.52       92.53
         18 |          1        0.01       92.54
         20 |        489        4.89       97.43
         25 |          4        0.04       97.47
         26 |          1        0.01       97.48
         30 |         46        0.46       97.94
         35 |          2        0.02       97.96
         40 |         27        0.27       98.23
         50 |          2        0.02       98.25
         60 |          5        0.05       98.30
         99 |        170        1.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016