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

  occupants |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         58        0.58        0.58
          1 |      5,599       55.99       56.57
          2 |      2,422       24.22       80.79
          3 |        797        7.97       88.76
          4 |        475        4.75       93.51
          5 |        210        2.10       95.61
          6 |         78        0.78       96.39
          7 |         40        0.40       96.79
          8 |         21        0.21       97.00
          9 |         23        0.23       97.23
         10 |          5        0.05       97.28
         11 |          3        0.03       97.31
         12 |          2        0.02       97.33
         13 |          1        0.01       97.34
         15 |          1        0.01       97.35
         17 |          1        0.01       97.36
         20 |          1        0.01       97.37
         22 |          1        0.01       97.38
         26 |          1        0.01       97.39
         40 |          1        0.01       97.40
         41 |          1        0.01       97.41
         46 |          2        0.02       97.43
         49 |          1        0.01       97.44
         54 |          1        0.01       97.45
         55 |          1        0.01       97.46
         97 |         25        0.25       97.71
         99 |        229        2.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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