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

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          6        0.06        0.06
          0 |      1,263       12.63       12.69
          1 |        489        4.89       17.58
          2 |        310        3.10       20.68
          3 |        325        3.25       23.93
          4 |        626        6.26       30.19
          5 |        373        3.73       33.92
          6 |        257        2.57       36.49
          7 |        729        7.29       43.78
          8 |        197        1.97       45.75
          9 |      1,319       13.19       58.94
          A |        168        1.68       60.62
          B |         99        0.99       61.61
          C |        236        2.36       63.97
          D |         85        0.85       64.82
          E |        103        1.03       65.85
          F |        336        3.36       69.21
          G |        173        1.73       70.94
          H |        526        5.26       76.20
          I |          2        0.02       76.22
          J |         80        0.80       77.02
          K |        238        2.38       79.40
          L |        303        3.03       82.43
          M |         73        0.73       83.16
          N |        129        1.29       84.45
          P |         46        0.46       84.91
          Q |         18        0.18       85.09
          R |        392        3.92       89.01
          S |        230        2.30       91.31
          T |        169        1.69       93.00
          U |        222        2.22       95.22
          V |        113        1.13       96.35
          W |         43        0.43       96.78
          X |         89        0.89       97.67
          Y |        177        1.77       99.44
          Z |         56        0.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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