Frequencies for first 10,000 rows of cigar6 variable in natl1997 dataset :

    Average |
  Number of |
 Cigarettes |
    Per Day |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,800       88.00       88.00
          1 |        272        2.72       90.72
          2 |        471        4.71       95.43
          3 |        333        3.33       98.76
          4 |         77        0.77       99.53
          6 |         47        0.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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