Frequencies for first 10,000 rows of cigar variable in natl1994 dataset :

    Average |
  Number of |
 Cigarettes |
    Per Day |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,620       86.20       86.20
          1 |         21        0.21       86.41
          2 |         39        0.39       86.80
          3 |         60        0.60       87.40
          4 |         39        0.39       87.79
          5 |         79        0.79       88.58
          6 |         48        0.48       89.06
          7 |         23        0.23       89.29
          8 |         21        0.21       89.50
          9 |          2        0.02       89.52
         10 |        451        4.51       94.03
         12 |         11        0.11       94.14
         14 |          1        0.01       94.15
         15 |         54        0.54       94.69
         18 |          1        0.01       94.70
         20 |        380        3.80       98.50
         21 |          1        0.01       98.51
         25 |         11        0.11       98.62
         27 |          1        0.01       98.63
         30 |         40        0.40       99.03
         40 |         17        0.17       99.20
         45 |          1        0.01       99.21
         99 |         79        0.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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