Frequencies for first 10,000 rows of vin_lngt variable in person dataset :

 vin length |      Freq.     Percent        Cum.
------------+-----------------------------------
          5 |          1        0.01        0.01
          6 |          5        0.05        0.06
          7 |          1        0.01        0.07
          8 |          8        0.08        0.15
          9 |          6        0.06        0.21
         10 |          9        0.09        0.30
         11 |         25        0.25        0.55
         12 |         15        0.15        0.70
         13 |         17        0.17        0.87
         14 |          1        0.01        0.88
         17 |      8,743       87.43       88.31
          . |      1,169       11.69      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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