Frequencies for first 10,000 rows of vin_5 variable in vehicle dataset :

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          6        0.06        0.06
          0 |        813        8.13        8.19
          1 |        352        3.52       11.71
          2 |        244        2.44       14.15
          3 |        252        2.52       16.67
          4 |        407        4.07       20.74
          5 |        235        2.35       23.09
          6 |        163        1.63       24.72
          7 |        374        3.74       28.46
          8 |        134        1.34       29.80
          9 |        872        8.72       38.52
          A |        288        2.88       41.40
          B |        311        3.11       44.51
          C |        557        5.57       50.08
          D |        322        3.22       53.30
          E |        193        1.93       55.23
          F |        368        3.68       58.91
          G |        182        1.82       60.73
          H |        395        3.95       64.68
          I |          2        0.02       64.70
          J |        107        1.07       65.77
          K |        269        2.69       68.46
          L |        377        3.77       72.23
          M |        141        1.41       73.64
          N |        298        2.98       76.62
          P |        462        4.62       81.24
          Q |         10        0.10       81.34
          R |        396        3.96       85.30
          S |        275        2.75       88.05
          T |        176        1.76       89.81
          U |        223        2.23       92.04
          V |        104        1.04       93.08
          W |        110        1.10       94.18
          X |        201        2.01       96.19
          Y |        187        1.87       98.06
          Z |        194        1.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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