Frequencies for first 10,000 rows of urgnt_care_srvc_cd variable in pos2016 dataset :

  Services: |
Urgent Care |
Center Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,569       85.69       85.69
          0 |      1,347       13.47       99.16
          1 |         51        0.51       99.67
          2 |          8        0.08       99.75
          3 |         25        0.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017