Frequencies for first 10,000 rows of econds_5 variable in mortterr2007 dataset :

Sequence of |
  condition |
     within |
part/line 5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        794        7.94        7.94
          2 |        318        3.18       11.12
          3 |         51        0.51       11.63
          4 |          9        0.09       11.72
          . |      8,828       88.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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