Frequencies for first 10,000 rows of smokces variable in nhamcsopd1994 dataset :

    smoking |
  cessation |
 couns/educ |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,824       98.24       98.24
          1 |        176        1.76      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016