Frequencies for econds_2 variable in linkco1995us_unl dataset :

Sequence of |
  condition |
     within |
part/line 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        260       36.72       36.72
          1 |        377       53.25       89.97
          2 |         71       10.03      100.00
------------+-----------------------------------
      Total |        708      100.00

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