Frequencies for a_c6_61 variable in hcris2552_10_2012 dataset :

        pbp |
   clinical |
        lab |
   services |
    program |
       only |
    a000000 |
06100 00600 |      Freq.     Percent        Cum.
------------+-----------------------------------
     -26481 |          1        0.02        0.02
          . |      6,226       99.98      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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