Frequencies for first 10,000 rows of footnote variable in hqi_hosp_img dataset 

   Footnote |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,028       20.28       20.28
          5 |         42        0.42       20.70
          7 |        849        8.49       29.19
          . |      7,081       70.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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