Frequencies for first 10,000 rows of otherlb variable in linkco1991us_num dataset :

      Other |
Complicatio |
 n of Labor |
     and/or |
   Delivery |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,214       22.14       22.14
          2 |      7,579       75.79       97.93
          9 |        207        2.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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