Frequencies for first 10,000 rows of cig_rec6 variable in natlterr2005 dataset :

 Cigarettes |
   Recode U |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,944       39.44       39.44
          1 |        210        2.10       41.54
          2 |        230        2.30       43.84
          3 |         47        0.47       44.31
          4 |          2        0.02       44.33
          5 |          1        0.01       44.34
          6 |      1,821       18.21       62.55
          . |      3,745       37.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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