Frequencies for first 10,000 rows of prov2140 variable in pos2002 dataset :

       srv: |
  emergency |
services(or |
   ganized) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,812       88.12       88.12
          0 |        292        2.92       91.04
          1 |        643        6.43       97.47
          2 |        124        1.24       98.71
          3 |        129        1.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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