Frequencies for first 10,000 rows of vin_8 variable in vehicle dataset :

      vin_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          9        0.09        0.09
          0 |        178        1.78        1.87
          1 |        463        4.63        6.50
          2 |        252        2.52        9.02
          3 |        366        3.66       12.68
          4 |        522        5.22       17.90
          5 |        327        3.27       21.17
          6 |        242        2.42       23.59
          7 |        148        1.48       25.07
          8 |         98        0.98       26.05
          9 |        477        4.77       30.82
          A |        390        3.90       34.72
          B |        288        2.88       37.60
          C |        289        2.89       40.49
          D |        308        3.08       43.57
          E |        509        5.09       48.66
          F |        289        2.89       51.55
          G |        181        1.81       53.36
          H |        213        2.13       55.49
          J |        161        1.61       57.10
          K |        384        3.84       60.94
          L |        254        2.54       63.48
          M |        197        1.97       65.45
          N |        269        2.69       68.14
          O |          1        0.01       68.15
          P |        236        2.36       70.51
          R |        399        3.99       74.50
          S |        379        3.79       78.29
          T |        333        3.33       81.62
          U |        254        2.54       84.16
          V |        172        1.72       85.88
          W |        447        4.47       90.35
          X |        492        4.92       95.27
          Y |        271        2.71       97.98
          Z |        202        2.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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