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

  occupants |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         49        0.49        0.49
          1 |      5,885       58.85       59.34
          2 |      2,335       23.35       82.69
          3 |        775        7.75       90.44
          4 |        456        4.56       95.00
          5 |        207        2.07       97.07
          6 |         96        0.96       98.03
          7 |         34        0.34       98.37
          8 |         17        0.17       98.54
          9 |          8        0.08       98.62
         10 |          8        0.08       98.70
         11 |          1        0.01       98.71
         12 |          3        0.03       98.74
         13 |          2        0.02       98.76
         14 |          5        0.05       98.81
         15 |          2        0.02       98.83
         22 |          1        0.01       98.84
         26 |          1        0.01       98.85
         31 |          1        0.01       98.86
         37 |          2        0.02       98.88
         38 |          1        0.01       98.89
         52 |          1        0.01       98.90
         97 |         12        0.12       99.02
         99 |         98        0.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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