Frequencies for first 10,000 rows of birattnd variable in natl1998 dataset :

  Attendant |
   at birth |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,388       93.88       93.88
          2 |        270        2.70       96.58
          3 |        311        3.11       99.69
          5 |         31        0.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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