Frequencies for footnote variable in hqi_hosp_ami_payment dataset :

   Footnote |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,737       36.58       36.58
          5 |        398        8.38       44.97
          7 |         55        1.16       46.12
          . |      2,558       53.88      100.00
------------+-----------------------------------
      Total |      4,748      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016