Frequencies for first 10,000 rows of urgnt_care_srvc_cd variable in pos2012 dat

   Services |
  Provided: |
Urgent Care |
     Center |
     Servic |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,606       86.06       86.06
          0 |      1,329       13.29       99.35
          1 |         39        0.39       99.74
          2 |         10        0.10       99.84
          3 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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