Frequencies for s2_1_c2_1506 variable in hcris2552_10_2010 dataset :

      rhc 7 |
   provider |
     number |
    s200001 |
01506 00200 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,318       99.83       99.83
     058621 |          1        0.04       99.87
     238570 |          1        0.04       99.91
     268640 |          1        0.04       99.96
     393984 |          1        0.04      100.00
------------+-----------------------------------
      Total |      2,322      100.00

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