Frequencies for ins_hcc70 variable in hcccoefn dataset :

Quadriplegi |
          a |      Freq.     Percent        Cum.
------------+-----------------------------------
       .562 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 7 Feb 2019