Frequencies for first 10,000 rows of birattnd variable in natl1990 dataset :

  Attendant |
   at birth |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,389       93.89       93.89
          2 |        217        2.17       96.06
          3 |        336        3.36       99.42
          5 |         56        0.56       99.98
          9 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016