Frequencies for first 10,000 rows of prov2140 variable in pos2008 dataset :

       srv: |
  emergency |
   services |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,655       86.55       86.55
          0 |        361        3.61       90.16
          1 |        673        6.73       96.89
          2 |        146        1.46       98.35
          3 |        165        1.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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