Frequencies for first 10,000 rows of vin_8 variable in vehicle dataset :

      vin_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         87        0.87        0.87
          0 |        443        4.43        5.30
          1 |      1,129       11.29       16.59
          2 |        489        4.89       21.48
          3 |        490        4.90       26.38
          4 |        479        4.79       31.17
          5 |        423        4.23       35.40
          6 |        245        2.45       37.85
          7 |        214        2.14       39.99
          8 |        222        2.22       42.21
          9 |        505        5.05       47.26
          A |        422        4.22       51.48
          B |        330        3.30       54.78
          C |        206        2.06       56.84
          D |        242        2.42       59.26
          E |        358        3.58       62.84
          F |        183        1.83       64.67
          G |        160        1.60       66.27
          H |        292        2.92       69.19
          I |          1        0.01       69.20
          J |        168        1.68       70.88
          K |        303        3.03       73.91
          L |        149        1.49       75.40
          M |         84        0.84       76.24
          N |        185        1.85       78.09
          P |        159        1.59       79.68
          R |        321        3.21       82.89
          S |        467        4.67       87.56
          T |        190        1.90       89.46
          U |        155        1.55       91.01
          V |         26        0.26       91.27
          W |        181        1.81       93.08
          X |        326        3.26       96.34
          Y |        214        2.14       98.48
          Z |        152        1.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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