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

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          2        0.02        0.02
          0 |        342        3.42        3.44
          1 |        136        1.36        4.80
          2 |        123        1.23        6.03
          3 |        149        1.49        7.52
          4 |        226        2.26        9.78
          5 |         99        0.99       10.77
          6 |         78        0.78       11.55
          7 |        116        1.16       12.71
          8 |         70        0.70       13.41
          9 |        422        4.22       17.63
          A |        506        5.06       22.69
          B |        478        4.78       27.47
          C |        623        6.23       33.70
          D |        629        6.29       39.99
          E |        304        3.04       43.03
          F |        557        5.57       48.60
          G |        166        1.66       50.26
          H |        257        2.57       52.83
          J |        156        1.56       54.39
          K |        321        3.21       57.60
          L |        351        3.51       61.11
          M |        292        2.92       64.03
          N |        446        4.46       68.49
          P |        821        8.21       76.70
          Q |          9        0.09       76.79
          R |        472        4.72       81.51
          S |        370        3.70       85.21
          T |        308        3.08       88.29
          U |        287        2.87       91.16
          V |        182        1.82       92.98
          W |        174        1.74       94.72
          X |        202        2.02       96.74
          Y |        160        1.60       98.34
          Z |        166        1.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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