Frequencies for retsurvi variable in fmli132 dataset :

   retsurvi |      Freq.     Percent        Cum.
------------+-----------------------------------
        100 |      6,545       96.79       96.79
        201 |        142        2.10       98.89
        301 |         51        0.75       99.65
        501 |         24        0.35      100.00
------------+-----------------------------------
      Total |      6,762      100.00

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