Frequencies for first 10,000 rows of sourcename variable in servarea2015 dataset :

Source Name |      Freq.     Percent        Cum.
------------+-----------------------------------
       HIOS |      8,737       87.37       87.37
        OPM |        643        6.43       93.80
      SERFF |        620        6.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Dec 2017