Frequencies for first 10,000 rows of prov2140 variable in pos1999 dataset :

       srv: |
  emergency |
services(or |
   ganized) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,885       88.85       88.85
          0 |        270        2.70       91.55
          1 |        630        6.30       97.85
          2 |        115        1.15       99.00
          3 |        100        1.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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