Frequencies for first 10,000 rows of prov2345 variable in pos2001 dataset :

      spec: |
otolaryngol |
        ogy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,267       92.67       92.67
          N |        457        4.57       97.24
          Y |        276        2.76      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016