Frequencies for first 10,000 rows of cigar variable in natl1992 dataset :

    Average |
  Number of |
 Cigarettes |
    Per Day |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,476       84.76       84.76
          1 |         32        0.32       85.08
          2 |         55        0.55       85.63
          3 |         67        0.67       86.30
          4 |         49        0.49       86.79
          5 |        127        1.27       88.06
          6 |         35        0.35       88.41
          7 |         24        0.24       88.65
          8 |         31        0.31       88.96
          9 |          4        0.04       89.00
         10 |        487        4.87       93.87
         11 |          4        0.04       93.91
         12 |         26        0.26       94.17
         13 |          1        0.01       94.18
         15 |         45        0.45       94.63
         16 |          1        0.01       94.64
         17 |          1        0.01       94.65
         18 |          1        0.01       94.66
         20 |        370        3.70       98.36
         22 |          1        0.01       98.37
         24 |         18        0.18       98.55
         25 |          8        0.08       98.63
         30 |         49        0.49       99.12
         35 |          1        0.01       99.13
         40 |         16        0.16       99.29
         48 |          1        0.01       99.30
         50 |          1        0.01       99.31
         51 |          1        0.01       99.32
         60 |          2        0.02       99.34
         99 |         66        0.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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