Frequencies for first 10,000 rows of esmoke variable in namcs2014 dataset :

          Does practice have |
    computerized capability: |
   recording patient smoking |
                      status |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |         12        0.12        0.12
         Yes, used routinely |      7,513       75.13       75.25
 Yes, but NOT used routinely |        372        3.72       78.97
Yes, but turned off/not used |        119        1.19       80.16
                          No |      1,984       19.84      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017