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

  Number of |
  Occupants |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         64        0.64        0.64
          1 |      5,840       58.40       59.04
          2 |      2,481       24.81       83.85
          3 |        796        7.96       91.81
          4 |        454        4.54       96.35
          5 |        144        1.44       97.79
          6 |         58        0.58       98.37
          7 |         26        0.26       98.63
          8 |         18        0.18       98.81
          9 |          3        0.03       98.84
         10 |          7        0.07       98.91
         11 |          3        0.03       98.94
         13 |          1        0.01       98.95
         14 |          1        0.01       98.96
         16 |          1        0.01       98.97
         23 |          1        0.01       98.98
         25 |          1        0.01       98.99
         40 |          1        0.01       99.00
         97 |         29        0.29       99.29
         99 |         71        0.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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