Frequencies for econds_6 variable in linkco1995us_unl dataset :

Sequence of |
  condition |
     within |
part/line 6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        687       97.03       97.03
          1 |          2        0.28       97.32
          2 |          9        1.27       98.59
          3 |          8        1.13       99.72
          4 |          2        0.28      100.00
------------+-----------------------------------
      Total |        708      100.00

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