Frequencies for first 10,000 rows of obgest_flg variable in natlterr2014 datase

  Obstetric |
Estimate of |
  Gestation |
  Used Flag |
      Blank |
  Obstetric |
Estimate is |
      not u |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,682       16.82       16.82
          . |      8,318       83.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Jun 2016