Frequencies for first 10,000 rows of cig_rec6 variable in natlterr2008 dataset :

 Cigarettes |
   Recode U |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,339       43.39       43.39
          1 |        165        1.65       45.04
          2 |        169        1.69       46.73
          3 |         31        0.31       47.04
          4 |          9        0.09       47.13
          6 |      1,348       13.48       60.61
          . |      3,939       39.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 May 2016