Frequencies for first 10,000 rows of othermr variable in natl1989 dataset :

      Other |
    Medical |
       Risk |
    Factors |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        729        7.29        7.29
          2 |      9,068       90.68       97.97
          9 |        203        2.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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