Frequencies for first 10,000 rows of sumlev variable in sf12000860us15 dataset :

    Summary |
      Level |      Freq.     Percent        Cum.
------------+-----------------------------------
        860 |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017