Frequencies for first 10,000 rows of prov2140 variable in pos2005 dataset :

       srv: |
  emergency |
   services |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,731       87.31       87.31
          0 |        324        3.24       90.55
          1 |        647        6.47       97.02
          2 |        137        1.37       98.39
          3 |        161        1.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017