Frequencies for s2_1_c2_1509 variable in hcris2552_10_2012 dataset :

     rhc 10 |
   provider |
     number |
    s200001 |
01509 00200 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,224       99.95       99.95
     058595 |          1        0.02       99.97
     258554 |          1        0.02       99.98
     268554 |          1        0.02      100.00
------------+-----------------------------------
      Total |      6,227      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018