Frequencies for first 10,000 rows of nursepr variable in nhamcsed2012 dataset :

      Nurse |
practitione |
     r seen |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,088       90.88       90.88
        Yes |        912        9.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016