Frequencies for first 10,000 rows of prov3470 variable in pos2001 dataset :

       srv: |
vocational- |
onsite-resi |
      dents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,345       73.45       73.45
          N |      2,494       24.94       98.39
          Y |        161        1.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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