Frequencies for first 10,000 rows of prov5220 variable in pos1996 dataset :

  srv: ther |
        rec |
spec-onsite |
    -nonres |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,249       72.49       72.49
          N |      2,742       27.42       99.91
          Y |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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