Frequencies for footnote variable in hqi_op_procedure_volume dataset :

   Footnote |      Freq.     Percent        Cum.
------------+-----------------------------------
          5 |        774       18.85       18.85
          . |      3,332       81.15      100.00
------------+-----------------------------------
      Total |      4,106      100.00

by Jean Roth , jroth@nber.org , 15 Nov 2016