Frequencies for first 10,000 rows of econdp_10 variable in mort2006 dataset :

  Part/line |
  number on |
certificate |
         10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          6 |         21        0.21        0.21
          . |      9,979       99.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015