Frequencies for first 10,000 rows of prov4265 variable in posclia2008 dataset :

 affiliated |
provider #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,971       99.71       99.71
 01D0858174 |          1        0.01       99.72
 01D0913800 |          1        0.01       99.73
 01D0961238 |          3        0.03       99.76
 01D0961240 |          4        0.04       99.80
 01D0961241 |          1        0.01       99.81
 01D1013944 |          1        0.01       99.82
 01D1015334 |          2        0.02       99.84
 01D1015346 |          1        0.01       99.85
 01D1069826 |          1        0.01       99.86
 03D0641963 |          1        0.01       99.87
 03D0705415 |          1        0.01       99.88
 03D0710978 |          1        0.01       99.89
 03D0874319 |          1        0.01       99.90
 03D0889309 |          2        0.02       99.92
 03D0893377 |          5        0.05       99.97
 03D0902109 |          1        0.01       99.98
 03D0903061 |          1        0.01       99.99
 03D0909996 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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