Frequencies for first 10,000 rows of econdp_7 variable in mort2006 dataset :

  Part/line |
  number on |
certificate |
          7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.02        0.02
          2 |          1        0.01        0.03
          3 |          6        0.06        0.09
          4 |         22        0.22        0.31
          5 |          2        0.02        0.33
          6 |        232        2.32        2.65
          . |      9,735       97.35      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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