Frequencies for first 10,000 rows of prov0085 variable in pos1993 dataset :

 category - |
 subtype of |
   provider |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          1        0.01        0.01
         01 |      6,797       67.97       67.98
         02 |      1,748       17.48       85.46
         03 |      1,272       12.72       98.18
         04 |        139        1.39       99.57
         05 |         30        0.30       99.87
         06 |          9        0.09       99.96
         07 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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