Frequencies for footnote variable in vwhqi_hosp_hai_state dataset :

   Footnote |      Freq.     Percent        Cum.
------------+-----------------------------------
         12 |         21        2.08        2.08
         13 |         51        5.06        7.14
          . |        936       92.86      100.00
------------+-----------------------------------
      Total |      1,008      100.00

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