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

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          1        0.01        0.01
          0 |        103        1.03        1.04
          1 |         41        0.41        1.45
          2 |         49        0.49        1.94
          3 |         53        0.53        2.47
          4 |         95        0.95        3.42
          5 |         33        0.33        3.75
          6 |         30        0.30        4.05
          7 |         47        0.47        4.52
          8 |         25        0.25        4.77
          9 |        375        3.75        8.52
          A |        526        5.26       13.78
          B |        529        5.29       19.07
          C |        790        7.90       26.97
          D |        792        7.92       34.89
          E |        351        3.51       38.40
          F |        536        5.36       43.76
          G |        336        3.36       47.12
          H |        251        2.51       49.63
          J |        335        3.35       52.98
          K |        433        4.33       57.31
          L |        338        3.38       60.69
          M |        336        3.36       64.05
          N |        371        3.71       67.76
          P |        825        8.25       76.01
          Q |          2        0.02       76.03
          R |        417        4.17       80.20
          S |        480        4.80       85.00
          T |        255        2.55       87.55
          U |        424        4.24       91.79
          V |        181        1.81       93.60
          W |        169        1.69       95.29
          X |        259        2.59       97.88
          Y |        123        1.23       99.11
          Z |         89        0.89      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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