Frequencies for first 10,000 rows of meconium variable in natlterr1998 dataset :

 Meconium - |
moderate/he |
        avy |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        205        2.05        2.05
          2 |      9,791       97.91       99.96
          9 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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