Frequencies for sec505eligb variable in impact2007 dataset :

Section 505 |
   eligible |
    'YES' = |
eligible to |
  receive a |
 wage index |
 adjustment |
    2nd 1/2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,450       93.83       93.83
        YES |        227        6.17      100.00
------------+-----------------------------------
      Total |      3,677      100.00

by Jean Roth , jroth@nber.org , 17 Mar 2016