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

   Footnote |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,412       14.12       14.12
          4 |      1,666       16.66       30.78
          5 |         50        0.50       31.28
          7 |        698        6.98       38.26
          . |      6,174       61.74      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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