Frequencies for first 10,000 rows of cig_rec6 variable in natlterr2003 dataset :

 Cigarettes |
   Recode U |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,925       99.25       99.25
          1 |         30        0.30       99.55
          2 |         19        0.19       99.74
          3 |         24        0.24       99.98
          6 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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