Frequencies for footnote variable in hqi_hosp_ami_payment dataset :

   Footnote |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,755       36.69       36.69
          5 |        422        8.82       45.52
          7 |         53        1.11       46.62
          . |      2,553       53.38      100.00
------------+-----------------------------------
      Total |      4,783      100.00

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