Frequencies for first 10,000 rows of cig_rec6 variable in linkpe2009psden dataset :

 Cigarettes |
   Recode U |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,083       30.83       30.83
          1 |         99        0.99       31.82
          2 |        150        1.50       33.32
          3 |         37        0.37       33.69
          4 |          7        0.07       33.76
          6 |         46        0.46       34.22
          . |      6,578       65.78      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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