Frequencies for first 10,000 rows of no_risks variable in natl2014 dataset :

    No Risk |
    Factors |
 Reported 1 |
       True |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,407       34.07       34.07
          1 |      6,465       64.65       98.72
          9 |        128        1.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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