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

        vin |
character(5 |
          ) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          3        0.03        0.03
          0 |         49        0.49        0.52
          1 |         47        0.47        0.99
          2 |         35        0.35        1.34
          3 |         21        0.21        1.55
          4 |         30        0.30        1.85
          5 |         19        0.19        2.04
          6 |         14        0.14        2.18
          7 |         21        0.21        2.39
          8 |         16        0.16        2.55
          9 |        481        4.81        7.36
          A |        583        5.83       13.19
          B |        434        4.34       17.53
          C |        913        9.13       26.66
          D |        578        5.78       32.44
          E |        359        3.59       36.03
          F |        595        5.95       41.98
          G |        419        4.19       46.17
          H |        137        1.37       47.54
          J |        299        2.99       50.53
          K |        658        6.58       57.11
          L |        435        4.35       61.46
          M |        357        3.57       65.03
          N |        404        4.04       69.07
          P |        594        5.94       75.01
          R |        390        3.90       78.91
          S |        335        3.35       82.26
          T |        340        3.40       85.66
          U |        490        4.90       90.56
          V |        114        1.14       91.70
          W |        289        2.89       94.59
          X |        367        3.67       98.26
          Y |         77        0.77       99.03
          Z |         97        0.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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