Frequencies for first 10,000 rows of otherob variable in natlterr1997 dataset :

      Other |
  Obstetric |
 Procedures |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         47        0.47        0.47
          2 |      9,953       99.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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