Frequencies for first 10,000 rows of otherlb variable in natlterr2002 dataset :

      Other |
Complicatio |
 n of Labor |
     and/or |
   Delivery |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        872        8.72        8.72
          2 |      9,106       91.06       99.78
          8 |         14        0.14       99.92
          9 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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