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

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         22        0.22        0.22
          0 |      1,378       13.78       14.00
          1 |        537        5.37       19.37
          2 |        245        2.45       21.82
          3 |        266        2.66       24.48
          4 |        437        4.37       28.85
          5 |        363        3.63       32.48
          6 |        254        2.54       35.02
          7 |      1,039       10.39       45.41
          8 |        205        2.05       47.46
          9 |      1,771       17.71       65.17
          A |        119        1.19       66.36
          B |        109        1.09       67.45
          C |        254        2.54       69.99
          D |         60        0.60       70.59
          E |         93        0.93       71.52
          F |        239        2.39       73.91
          G |        187        1.87       75.78
          H |        466        4.66       80.44
          I |          1        0.01       80.45
          J |         63        0.63       81.08
          K |        190        1.90       82.98
          L |        177        1.77       84.75
          M |         94        0.94       85.69
          N |        118        1.18       86.87
          O |         15        0.15       87.02
          P |         47        0.47       87.49
          Q |         13        0.13       87.62
          R |        288        2.88       90.50
          S |        145        1.45       91.95
          T |        207        2.07       94.02
          U |        111        1.11       95.13
          V |         85        0.85       95.98
          W |         37        0.37       96.35
          X |        151        1.51       97.86
          Y |        149        1.49       99.35
          Z |         65        0.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016