Frequencies for econds_3 variable in linkco1995us_unl dataset :

Sequence of |
  condition |
     within |
part/line 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        448       63.28       63.28
          1 |        207       29.24       92.51
          2 |         47        6.64       99.15
          3 |          6        0.85      100.00
------------+-----------------------------------
      Total |        708      100.00

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