Frequencies for vin_lngt variable in vehnit dataset :

 VIN LENGTH |      Freq.     Percent        Cum.
------------+-----------------------------------
          5 |          1        0.07        0.07
          7 |          2        0.14        0.20
          8 |          1        0.07        0.27
          9 |          1        0.07        0.34
         10 |          1        0.07        0.41
         11 |         13        0.88        1.28
         12 |          4        0.27        1.55
         13 |         10        0.68        2.23
         14 |          1        0.07        2.30
         16 |          4        0.27        2.57
         17 |      1,442       97.37       99.93
         99 |          1        0.07      100.00
------------+-----------------------------------
      Total |      1,481      100.00

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