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

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          3        0.03        0.03
          0 |        365        3.65        3.68
          1 |        190        1.90        5.58
          2 |        145        1.45        7.03
          3 |        148        1.48        8.51
          4 |        228        2.28       10.79
          5 |        146        1.46       12.25
          6 |         87        0.87       13.12
          7 |        152        1.52       14.64
          8 |         73        0.73       15.37
          9 |        483        4.83       20.20
          A |        505        5.05       25.25
          B |        448        4.48       29.73
          C |        588        5.88       35.61
          D |        580        5.80       41.41
          E |        301        3.01       44.42
          F |        528        5.28       49.70
          G |        172        1.72       51.42
          H |        273        2.73       54.15
          J |        130        1.30       55.45
          K |        265        2.65       58.10
          L |        368        3.68       61.78
          M |        300        3.00       64.78
          N |        479        4.79       69.57
          P |        765        7.65       77.22
          Q |          5        0.05       77.27
          R |        469        4.69       81.96
          S |        391        3.91       85.87
          T |        231        2.31       88.18
          U |        272        2.72       90.90
          V |        191        1.91       92.81
          W |        184        1.84       94.65
          X |        207        2.07       96.72
          Y |        172        1.72       98.44
          Z |        156        1.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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