Frequencies for first 10,000 rows of esmokee variable in nhamcsed2015 dataset :

       Does your ED have the |
 computerized capability for |
   recording patient smoking |
                        stat |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       Blank |         57        0.57        0.57
                     Unknown |         72        0.72        1.29
         Yes, used routinely |      9,476       94.76       96.05
 Yes, but NOT used routinely |        237        2.37       98.42
                          No |        158        1.58      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017