Frequencies for first 10,000 rows of prov2140 variable in pos2001 dataset :

       srv: |
  emergency |
services(or |
   ganized) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,837       88.37       88.37
          0 |        292        2.92       91.29
          1 |        633        6.33       97.62
          2 |        114        1.14       98.76
          3 |        124        1.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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