Frequencies for first 10,000 rows of birattnd variable in natl1993 dataset :

  Attendant |
   at birth |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,363       93.63       93.63
          2 |        140        1.40       95.03
          3 |        469        4.69       99.72
          5 |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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