Frequencies for first 10,000 rows of attend variable in natlterr2015 dataset :

  Attendant |
 at Birth 1 |
  Doctor of |
   Medicine |
       (MD) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,613       86.13       86.13
          2 |        339        3.39       89.52
          3 |        988        9.88       99.40
          4 |          8        0.08       99.48
          5 |         33        0.33       99.81
          9 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Oct 2016