Frequencies for vin_lngt variable in vehicle dataset :

 VIN LENGTH |      Freq.     Percent        Cum.
------------+-----------------------------------
          7 |          1        0.16        0.16
          9 |          1        0.16        0.32
         10 |          3        0.48        0.80
         11 |          9        1.44        2.24
         12 |          2        0.32        2.56
         13 |          5        0.80        3.35
         16 |          1        0.16        3.51
         17 |        603       96.33       99.84
         99 |          1        0.16      100.00
------------+-----------------------------------
      Total |        626      100.00

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