Frequencies for first 10,000 rows of othermr variable in natlterr1998 dataset :

      Other |
    Medical |
       Risk |
    Factors |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        766        7.66        7.66
          2 |      9,232       92.32       99.98
          9 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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