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

      vin_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        135        1.35        1.35
          0 |        685        6.85        8.20
          1 |      1,263       12.63       20.83
          2 |        574        5.74       26.57
          3 |        503        5.03       31.60
          4 |        506        5.06       36.66
          5 |        434        4.34       41.00
          6 |        246        2.46       43.46
          7 |        241        2.41       45.87
          8 |        226        2.26       48.13
          9 |        677        6.77       54.90
          A |        367        3.67       58.57
          B |        276        2.76       61.33
          C |        199        1.99       63.32
          D |        219        2.19       65.51
          E |        330        3.30       68.81
          F |        166        1.66       70.47
          G |        154        1.54       72.01
          H |        280        2.80       74.81
          I |          1        0.01       74.82
          J |        154        1.54       76.36
          K |        223        2.23       78.59
          L |        136        1.36       79.95
          M |         84        0.84       80.79
          N |        122        1.22       82.01
          P |        137        1.37       83.38
          R |        299        2.99       86.37
          S |        470        4.70       91.07
          T |        143        1.43       92.50
          U |        108        1.08       93.58
          V |         26        0.26       93.84
          W |        156        1.56       95.40
          X |        210        2.10       97.50
          Y |        167        1.67       99.17
          Z |         83        0.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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