Frequencies for first 10,000 rows of npnmw variable in nhamcsopd2011 dataset :

      Nurse |
practitione |
  r/Midwife |
       seen |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,269       92.69       92.69
        Yes |        731        7.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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