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

  Number of |
  Occupants |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         56        0.56        0.56
          1 |      5,683       56.83       57.39
          2 |      2,466       24.66       82.05
          3 |        801        8.01       90.06
          4 |        427        4.27       94.33
          5 |        159        1.59       95.92
          6 |         78        0.78       96.70
          7 |         31        0.31       97.01
          8 |         13        0.13       97.14
          9 |         11        0.11       97.25
         10 |          3        0.03       97.28
         11 |          2        0.02       97.30
         12 |          2        0.02       97.32
         13 |          2        0.02       97.34
         14 |          1        0.01       97.35
         15 |          1        0.01       97.36
         16 |          4        0.04       97.40
         22 |          3        0.03       97.43
         23 |          1        0.01       97.44
         24 |          1        0.01       97.45
         26 |          1        0.01       97.46
         29 |          1        0.01       97.47
         38 |          1        0.01       97.48
         46 |          1        0.01       97.49
         97 |         15        0.15       97.64
         99 |        236        2.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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