Frequencies for first 10,000 rows of urf_other variable in natl2003 dataset :

      Other |
    Medical |
       Risk |
  Factors U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,397       23.97       23.97
          2 |      6,781       67.81       91.78
          8 |          7        0.07       91.85
          9 |        815        8.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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