Frequencies for first 10,000 rows of econdp_1 variable in mortterr2007 dataset :

  Part/line |
  number on |
certificate |
          1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,862       98.62       98.62
          2 |        121        1.21       99.83
          3 |         11        0.11       99.94
          4 |          2        0.02       99.96
          6 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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