Frequencies for b_1_c22_42 variable in prds_hosp10_yr2017 dataset :

Subprovider |
          I |
    B000001 |
      04200 |
      02200 |      Freq.     Percent        Cum.
------------+-----------------------------------
     182072 |          1        0.03        0.03
          . |      3,748       99.97      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 26 Oct 2018