Frequencies for first 10,000 rows of earcunv variable in sippp08putm1 dataset :

  REC: Universe |
     indicator. |      Freq.     Percent        Cum.
----------------+-----------------------------------
Not in Universe |      2,501       25.01       25.01
    In universe |      7,499       74.99      100.00
----------------+-----------------------------------
          Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016