Frequencies for first 10,000 rows of prov0085 variable in pos1997 dataset :

 category - |
 subtype of |
   provider |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          1        0.01        0.01
         01 |      6,263       62.63       62.64
         02 |      2,057       20.57       83.21
         03 |      1,453       14.53       97.74
         04 |        169        1.69       99.43
         05 |         41        0.41       99.84
         06 |         12        0.12       99.96
         07 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016