Frequencies for first 10,000 rows of econds_6 variable in mortterr2007 dataset :

Sequence of |
  condition |
     within |
part/line 6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        120        1.20        1.20
          2 |        277        2.77        3.97
          3 |         65        0.65        4.62
          4 |          8        0.08        4.70
          5 |          1        0.01        4.71
          . |      9,529       95.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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