Frequencies for first 10,000 rows of veh_no variable in miper dataset :

    vehicle |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,452       14.52       14.52
          1 |      5,632       56.32       70.84
          2 |      2,272       22.72       93.56
          3 |        432        4.32       97.88
          4 |        123        1.23       99.11
          5 |         45        0.45       99.56
          6 |         25        0.25       99.81
          7 |         10        0.10       99.91
          8 |          6        0.06       99.97
          9 |          2        0.02       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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