Frequencies for first 10,000 rows of prov2140 variable in pos2007 dataset :

       srv: |
  emergency |
   services |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,682       86.82       86.82
          0 |        352        3.52       90.34
          1 |        661        6.61       96.95
          2 |        143        1.43       98.38
          3 |        162        1.62      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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