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

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         38        0.38        0.38
          0 |      1,391       13.91       14.29
          1 |        512        5.12       19.41
          2 |        269        2.69       22.10
          3 |        220        2.20       24.30
          4 |        469        4.69       28.99
          5 |        343        3.43       32.42
          6 |        197        1.97       34.39
          7 |        966        9.66       44.05
          8 |        160        1.60       45.65
          9 |      1,983       19.83       65.48
          A |        114        1.14       66.62
          B |        100        1.00       67.62
          C |        239        2.39       70.01
          D |         74        0.74       70.75
          E |         90        0.90       71.65
          F |        244        2.44       74.09
          G |        156        1.56       75.65
          H |        469        4.69       80.34
          I |          1        0.01       80.35
          J |         65        0.65       81.00
          K |        180        1.80       82.80
          L |        190        1.90       84.70
          M |         98        0.98       85.68
          N |        109        1.09       86.77
          O |          7        0.07       86.84
          P |         45        0.45       87.29
          Q |         29        0.29       87.58
          R |        329        3.29       90.87
          S |        155        1.55       92.42
          T |        184        1.84       94.26
          U |        122        1.22       95.48
          V |         70        0.70       96.18
          W |         42        0.42       96.60
          X |        117        1.17       97.77
          Y |        139        1.39       99.16
          Z |         84        0.84      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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