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

        VIN |
Character(8 |
          ) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          9        0.09        0.09
          0 |        203        2.03        2.12
          1 |        633        6.33        8.45
          2 |        258        2.58       11.03
          3 |        336        3.36       14.39
          4 |        403        4.03       18.42
          5 |        360        3.60       22.02
          6 |        235        2.35       24.37
          7 |        170        1.70       26.07
          8 |        151        1.51       27.58
          9 |        423        4.23       31.81
          A |        383        3.83       35.64
          B |        225        2.25       37.89
          C |        302        3.02       40.91
          D |        358        3.58       44.49
          E |        645        6.45       50.94
          F |        276        2.76       53.70
          G |        197        1.97       55.67
          H |        196        1.96       57.63
          J |        140        1.40       59.03
          K |        504        5.04       64.07
          L |        234        2.34       66.41
          M |        137        1.37       67.78
          N |        357        3.57       71.35
          P |        201        2.01       73.36
          R |        359        3.59       76.95
          S |        310        3.10       80.05
          T |        285        2.85       82.90
          U |        262        2.62       85.52
          V |        237        2.37       87.89
          W |        386        3.86       91.75
          X |        396        3.96       95.71
          Y |        258        2.58       98.29
          Z |        171        1.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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