Frequencies for first 10,000 rows of urgnt_care_srvc_cd variable in pos2018 dataset :

  Services: |
Urgent Care |
Center Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,560       85.60       85.60
          0 |      1,358       13.58       99.18
          1 |         46        0.46       99.64
          2 |         10        0.10       99.74
          3 |         26        0.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019