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

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         49        0.49        0.49
          1 |         21        0.21        0.70
          2 |         41        0.41        1.11
          3 |         37        0.37        1.48
          4 |         61        0.61        2.09
          5 |         20        0.20        2.29
          6 |         15        0.15        2.44
          7 |         31        0.31        2.75
          8 |          7        0.07        2.82
          9 |        422        4.22        7.04
          A |        558        5.58       12.62
          B |        499        4.99       17.61
          C |        859        8.59       26.20
          D |        743        7.43       33.63
          E |        285        2.85       36.48
          F |        516        5.16       41.64
          G |        346        3.46       45.10
          H |        207        2.07       47.17
          I |          1        0.01       47.18
          J |        304        3.04       50.22
          K |        509        5.09       55.31
          L |        359        3.59       58.90
          M |        389        3.89       62.79
          N |        343        3.43       66.22
          P |        784        7.84       74.06
          R |        422        4.22       78.28
          S |        519        5.19       83.47
          T |        254        2.54       86.01
          U |        513        5.13       91.14
          V |        133        1.33       92.47
          W |        240        2.40       94.87
          X |        314        3.14       98.01
          Y |        126        1.26       99.27
          Z |         73        0.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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