Frequencies for ssoverpx variable in fmli011 dataset :

   ssoverpx |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          1        0.01        0.01
        150 |          1        0.01        0.03
        204 |          1        0.01        0.04
       2802 |          1        0.01        0.05
          . |      7,708       99.95      100.00
------------+-----------------------------------
      Total |      7,712      100.00

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