Frequencies for first 10,000 rows of prvdr_ctgry_sbtyp_cd variable in pos2011 dataset :

   Provider |
   Category |
    Subtype |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         90        0.90        0.90
         01 |      7,122       71.22       72.12
         02 |        874        8.74       80.86
         03 |      1,575       15.75       96.61
         04 |        173        1.73       98.34
         05 |         42        0.42       98.76
         06 |         17        0.17       98.93
         11 |         98        0.98       99.91
         20 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019