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

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          5        0.05        0.05
          0 |        468        4.68        4.73
          1 |        204        2.04        6.77
          2 |        140        1.40        8.17
          3 |        138        1.38        9.55
          4 |        295        2.95       12.50
          5 |        133        1.33       13.83
          6 |         97        0.97       14.80
          7 |        152        1.52       16.32
          8 |         83        0.83       17.15
          9 |        550        5.50       22.65
          A |        520        5.20       27.85
          B |        420        4.20       32.05
          C |        614        6.14       38.19
          D |        543        5.43       43.62
          E |        282        2.82       46.44
          F |        503        5.03       51.47
          G |        176        1.76       53.23
          H |        299        2.99       56.22
          J |        146        1.46       57.68
          K |        248        2.48       60.16
          L |        399        3.99       64.15
          M |        239        2.39       66.54
          N |        430        4.30       70.84
          P |        712        7.12       77.96
          Q |          7        0.07       78.03
          R |        466        4.66       82.69
          S |        371        3.71       86.40
          T |        238        2.38       88.78
          U |        270        2.70       91.48
          V |        170        1.70       93.18
          W |        171        1.71       94.89
          X |        201        2.01       96.90
          Y |        145        1.45       98.35
          Z |        165        1.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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