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

  Services: |
    Medical |
   Supplies |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      9,274       92.74       92.74
          0 |         39        0.39       93.13
          1 |        182        1.82       94.95
          2 |        493        4.93       99.88
          3 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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