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

    Average |
  Number of |
 Cigarettes |
    Per Day |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,876       98.76       98.76
          1 |          5        0.05       98.81
          2 |          6        0.06       98.87
          3 |         13        0.13       99.00
          4 |          6        0.06       99.06
          5 |         10        0.10       99.16
          6 |          5        0.05       99.21
          7 |          1        0.01       99.22
          8 |          1        0.01       99.23
          9 |          1        0.01       99.24
         10 |         28        0.28       99.52
         12 |          4        0.04       99.56
         13 |          1        0.01       99.57
         14 |          2        0.02       99.59
         15 |          3        0.03       99.62
         20 |         28        0.28       99.90
         30 |          3        0.03       99.93
         32 |          1        0.01       99.94
         40 |          1        0.01       99.95
         98 |          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