Frequencies for first 10,000 rows of crnry_care_unit_srvc_cd variable in pos201

  Services: |
   Coronary |
  Care Unit |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,569       85.69       85.69
          0 |        860        8.60       94.29
          1 |        512        5.12       99.41
          2 |         27        0.27       99.68
          3 |         32        0.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Jan 2018