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

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          9        0.09        0.09
          0 |        295        2.95        3.04
          1 |        141        1.41        4.45
          2 |        115        1.15        5.60
          3 |        113        1.13        6.73
          4 |        213        2.13        8.86
          5 |        131        1.31       10.17
          6 |         71        0.71       10.88
          7 |        123        1.23       12.11
          8 |         54        0.54       12.65
          9 |        439        4.39       17.04
          A |        469        4.69       21.73
          B |        493        4.93       26.66
          C |        627        6.27       32.93
          D |        674        6.74       39.67
          E |        331        3.31       42.98
          F |        492        4.92       47.90
          G |        208        2.08       49.98
          H |        288        2.88       52.86
          J |        168        1.68       54.54
          K |        311        3.11       57.65
          L |        392        3.92       61.57
          M |        322        3.22       64.79
          N |        436        4.36       69.15
          P |        792        7.92       77.07
          Q |          4        0.04       77.11
          R |        459        4.59       81.70
          S |        373        3.73       85.43
          T |        282        2.82       88.25
          U |        298        2.98       91.23
          V |        202        2.02       93.25
          W |        169        1.69       94.94
          X |        194        1.94       96.88
          Y |        165        1.65       98.53
          Z |        147        1.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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