Frequencies for first 10,000 rows of cigar variable in natl2002 dataset :

    Average |
  Number of |
 Cigarettes |
    Per Day |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,132       81.32       81.32
          1 |         66        0.66       81.98
          2 |        123        1.23       83.21
          3 |        176        1.76       84.97
          4 |        116        1.16       86.13
          5 |        257        2.57       88.70
          6 |        117        1.17       89.87
          7 |         64        0.64       90.51
          8 |         47        0.47       90.98
          9 |         10        0.10       91.08
         10 |        424        4.24       95.32
         11 |          2        0.02       95.34
         12 |         15        0.15       95.49
         13 |          5        0.05       95.54
         14 |          3        0.03       95.57
         15 |         65        0.65       96.22
         16 |          2        0.02       96.24
         17 |          1        0.01       96.25
         18 |          2        0.02       96.27
         20 |        112        1.12       97.39
         21 |          1        0.01       97.40
         30 |          5        0.05       97.45
         60 |          1        0.01       97.46
         99 |        254        2.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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