Frequencies for first 10,000 rows of ob_gyn_srgry_sw variable in pos2000 dataset :

      spec: |
obstetrics/ |
 gynecology |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,327       93.27       93.27
          N |        433        4.33       97.60
          Y |        240        2.40      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017