Frequencies for seq1 variable in vehnit dataset :

    EVENT 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          5        0.34        0.34
         99 |      1,476       99.66      100.00
------------+-----------------------------------
      Total |      1,481      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016