Frequencies for prvdr_num variable in epo_units265_94_2011 dataset :

   Provider |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
     042515 |          1        5.56        5.56
     042551 |          1        5.56       11.11
     052565 |          1        5.56       16.67
     082519 |          1        5.56       22.22
     112518 |          1        5.56       27.78
     162536 |          1        5.56       33.33
     162540 |          1        5.56       38.89
     172546 |          1        5.56       44.44
     212625 |          1        5.56       50.00
     212654 |          1        5.56       55.56
     232597 |          1        5.56       61.11
     362699 |          1        5.56       66.67
     362704 |          1        5.56       72.22
     392503 |          1        5.56       77.78
     392557 |          1        5.56       83.33
     392591 |          1        5.56       88.89
     452618 |          1        5.56       94.44
     452655 |          1        5.56      100.00
------------+-----------------------------------
      Total |         18      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018