Frequencies for sourcename variable in servarea2018 dataset :

Source Name |      Freq.     Percent        Cum.
------------+-----------------------------------
       HIOS |      4,359       39.76       39.76
        OPM |          1        0.01       39.77
      SERFF |      6,603       60.23      100.00
------------+-----------------------------------
      Total |     10,963      100.00

by Jean Roth , jroth@nber.org , 8 Dec 2017