Frequencies for first 10,000 rows of prov2075 variable in pos1991 dataset :

       srv: |
  appliance |
        and |
  equipment |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,733       87.33       87.33
          0 |      1,044       10.44       97.77
          1 |         64        0.64       98.41
          2 |        158        1.58       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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