Frequencies for dr_hgt variable in vehicle dataset :

     DRIVER |
     HEIGHT |      Freq.     Percent        Cum.
------------+-----------------------------------
         58 |          1        0.14        0.14
         61 |          4        0.56        0.70
         62 |          8        1.12        1.82
         63 |          8        1.12        2.93
         64 |         13        1.82        4.75
         65 |         14        1.96        6.70
         66 |         27        3.77       10.47
         67 |         32        4.47       14.94
         68 |         25        3.49       18.44
         69 |         15        2.09       20.53
         70 |         18        2.51       23.04
         71 |          3        0.42       23.46
         72 |          5        0.70       24.16
         73 |          1        0.14       24.30
         74 |          4        0.56       24.86
         75 |          4        0.56       25.42
         76 |          1        0.14       25.56
         81 |          1        0.14       25.70
          . |        532       74.30      100.00
------------+-----------------------------------
      Total |        716      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016