Frequencies for first 10,000 rows of prov3385 variable in pos1995 dataset :

       srv: |
activities- |
 onsite-non |
        res |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,523       75.23       75.23
          N |      2,427       24.27       99.50
          Y |         50        0.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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