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

   Footnote |      Freq.     Percent        Cum.
------------+-----------------------------------
          3 |         70        0.70        0.70
          5 |      1,372       13.72       14.42
          8 |        889        8.89       23.31
         12 |      1,463       14.63       37.94
         13 |      2,724       27.24       65.18
          . |      3,482       34.82      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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