Frequencies for footnote variable in vwhqi_hosp_hai_state dataset :

   Footnote |      Freq.     Percent        Cum.
------------+-----------------------------------
         15 |         16        7.14        7.14
         22 |          1        0.45        7.59
          . |        207       92.41      100.00
------------+-----------------------------------
      Total |        224      100.00

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