Frequencies for sourcename variable in servarea2014 dataset :

Source Name |      Freq.     Percent        Cum.
------------+-----------------------------------
       HIOS |      3,740       42.15       42.15
        OPM |        485        5.47       47.61
      SERFF |      4,649       52.39      100.00
------------+-----------------------------------
      Total |      8,874      100.00

by Jean Roth , jroth@nber.org , 9 Oct 2016