Frequencies for first 10,000 rows of cigar6 variable in natlterr1999 dataset :

    Average |
  Number of |
 Cigarettes |
    Per Day |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,886       98.86       98.86
          1 |         42        0.42       99.28
          2 |         42        0.42       99.70
          3 |         26        0.26       99.96
          4 |          2        0.02       99.98
          6 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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