Frequencies for first 10,000 rows of attend variable in natlterr2014 dataset :

  Attendant |
 at Birth 1 |
  Doctor of |
   Medicine |
       (MD) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,752       87.52       87.52
          2 |        403        4.03       91.55
          3 |        795        7.95       99.50
          4 |          9        0.09       99.59
          5 |         30        0.30       99.89
          9 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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