Frequencies for first 10,000 rows of otherlb variable in natl2002 dataset :

      Other |
Complicatio |
 n of Labor |
     and/or |
   Delivery |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,160       11.60       11.60
          2 |      8,541       85.41       97.01
          9 |        299        2.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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