Frequencies for first 10,000 rows of cigar variable in natl1995 dataset :

    Average |
  Number of |
 Cigarettes |
    Per Day |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,624       86.24       86.24
          1 |         16        0.16       86.40
          2 |         50        0.50       86.90
          3 |         39        0.39       87.29
          4 |         37        0.37       87.66
          5 |         91        0.91       88.57
          6 |         34        0.34       88.91
          7 |         21        0.21       89.12
          8 |         16        0.16       89.28
          9 |          3        0.03       89.31
         10 |        481        4.81       94.12
         11 |          1        0.01       94.13
         12 |         10        0.10       94.23
         13 |          1        0.01       94.24
         14 |          1        0.01       94.25
         15 |         48        0.48       94.73
         16 |          1        0.01       94.74
         17 |          1        0.01       94.75
         18 |          2        0.02       94.77
         20 |        340        3.40       98.17
         24 |          1        0.01       98.18
         25 |          6        0.06       98.24
         30 |         40        0.40       98.64
         40 |         14        0.14       98.78
         50 |          1        0.01       98.79
         98 |          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