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

  occupants |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         44        0.44        0.44
          1 |      5,688       56.88       57.32
          2 |      2,379       23.79       81.11
          3 |        819        8.19       89.30
          4 |        443        4.43       93.73
          5 |        212        2.12       95.85
          6 |         80        0.80       96.65
          7 |         37        0.37       97.02
          8 |         25        0.25       97.27
          9 |          9        0.09       97.36
         10 |          5        0.05       97.41
         11 |          5        0.05       97.46
         12 |          2        0.02       97.48
         13 |          5        0.05       97.53
         14 |          1        0.01       97.54
         15 |          2        0.02       97.56
         21 |          2        0.02       97.58
         26 |          1        0.01       97.59
         32 |          1        0.01       97.60
         36 |          1        0.01       97.61
         43 |          1        0.01       97.62
         97 |         21        0.21       97.83
         99 |        217        2.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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