Frequencies for first 10,000 rows of nursepr variable in nhamcsed2011 dataset :

      Nurse |
practitione |
     r seen |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,513       95.13       95.13
        Yes |        487        4.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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