Frequencies for intrdvxi variable in fmli132 dataset :

   intrdvxi |      Freq.     Percent        Cum.
------------+-----------------------------------
        100 |      6,215       91.91       91.91
        201 |        201        2.97       94.88
        301 |        345        5.10       99.99
        501 |          1        0.01      100.00
------------+-----------------------------------
      Total |      6,762      100.00

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