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

   Provider |
   Category |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      1,521       15.21       15.21
         02 |      1,434       14.34       29.55
         03 |        160        1.60       31.15
         04 |        157        1.57       32.72
         05 |      1,033       10.33       43.05
         06 |         20        0.20       43.25
         07 |         83        0.83       44.08
         08 |        693        6.93       51.01
         09 |        982        9.82       60.83
         10 |        664        6.64       67.47
         11 |         75        0.75       68.22
         12 |        720        7.20       75.42
         14 |        144        1.44       76.86
         15 |        425        4.25       81.11
         16 |        726        7.26       88.37
         17 |          3        0.03       88.40
         19 |        305        3.05       91.45
         21 |        855        8.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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