Frequencies for first 10,000 rows of dr_hgt variable in vehicle dataset :

     DRIVER |
     HEIGHT |      Freq.     Percent        Cum.
------------+-----------------------------------
         51 |          1        0.01        0.01
         55 |          3        0.03        0.04
         56 |          1        0.01        0.05
         57 |          6        0.06        0.11
         58 |          8        0.08        0.19
         59 |         37        0.37        0.56
         60 |        164        1.64        2.20
         61 |        174        1.74        3.94
         62 |        349        3.49        7.43
         63 |        413        4.13       11.56
         64 |        549        5.49       17.05
         65 |        584        5.84       22.89
         66 |        818        8.18       31.07
         67 |        848        8.48       39.55
         68 |        829        8.29       47.84
         69 |        832        8.32       56.16
         70 |        922        9.22       65.38
         71 |        884        8.84       74.22
         72 |        900        9.00       83.22
         73 |        440        4.40       87.62
         74 |        362        3.62       91.24
         75 |        182        1.82       93.06
         76 |        105        1.05       94.11
         77 |         34        0.34       94.45
         78 |         20        0.20       94.65
         79 |         12        0.12       94.77
         80 |          1        0.01       94.78
         81 |          2        0.02       94.80
         83 |          2        0.02       94.82
        999 |        456        4.56       99.38
          . |         62        0.62      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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