Frequencies for first 10,000 rows of otherob variable in natl1992 dataset :

      Other |
  Obstetric |
 Procedures |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         93        0.93        0.93
          2 |      9,896       98.96       99.89
          9 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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