Frequencies for first 10,000 rows of prov2300 variable in pos1991 dataset :

       srv: |
  operating |
      rooms |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,770       87.70       87.70
          0 |        254        2.54       90.24
          1 |        931        9.31       99.55
          2 |         42        0.42       99.97
          3 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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