Frequencies for first 10,000 rows of cig_rec variable in natl2013 dataset :

 Cigarettes |
 Recode RFP |
575=f_tobac |
        o R |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      8,446       84.46       84.46
          U |        252        2.52       86.98
          Y |      1,302       13.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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