Frequencies for first 10,000 rows of otherlb variable in natlterr1996 dataset :

      Other |
complicatio |
 n of Labor |
     and/or |
   Delivery |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        809        8.09        8.09
          2 |      9,180       91.80       99.89
          9 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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