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

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         14        0.14        0.14
          0 |      1,161       11.61       11.75
          1 |        563        5.63       17.38
          2 |        318        3.18       20.56
          3 |        266        2.66       23.22
          4 |        541        5.41       28.63
          5 |        371        3.71       32.34
          6 |        259        2.59       34.93
          7 |        821        8.21       43.14
          8 |        193        1.93       45.07
          9 |      1,711       17.11       62.18
          A |        106        1.06       63.24
          B |        100        1.00       64.24
          C |        221        2.21       66.45
          D |         77        0.77       67.22
          E |        100        1.00       68.22
          F |        281        2.81       71.03
          G |        149        1.49       72.52
          H |        505        5.05       77.57
          J |         70        0.70       78.27
          K |        213        2.13       80.40
          L |        268        2.68       83.08
          M |         77        0.77       83.85
          N |        108        1.08       84.93
          O |          4        0.04       84.97
          P |         40        0.40       85.37
          Q |         22        0.22       85.59
          R |        415        4.15       89.74
          S |        208        2.08       91.82
          T |        163        1.63       93.45
          U |        206        2.06       95.51
          V |         77        0.77       96.28
          W |         41        0.41       96.69
          X |         92        0.92       97.61
          Y |        159        1.59       99.20
          Z |         80        0.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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