Frequencies for first 10,000 rows of prov2345 variable in pos2002 dataset :

      spec: |
otolaryngol |
        ogy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,212       92.12       92.12
          N |        499        4.99       97.11
          Y |        289        2.89      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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