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

  Number of |
  Occupants |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         55        0.55        0.55
          1 |      5,714       57.14       57.69
          2 |      2,513       25.13       82.82
          3 |        730        7.30       90.12
          4 |        393        3.93       94.05
          5 |        157        1.57       95.62
          6 |         82        0.82       96.44
          7 |         26        0.26       96.70
          8 |         22        0.22       96.92
          9 |          7        0.07       96.99
         10 |          9        0.09       97.08
         11 |          4        0.04       97.12
         12 |          6        0.06       97.18
         14 |          4        0.04       97.22
         17 |          2        0.02       97.24
         18 |          2        0.02       97.26
         19 |          1        0.01       97.27
         20 |          1        0.01       97.28
         22 |          1        0.01       97.29
         23 |          1        0.01       97.30
         31 |          1        0.01       97.31
         33 |          1        0.01       97.32
         34 |          1        0.01       97.33
         35 |          1        0.01       97.34
         38 |          1        0.01       97.35
         39 |          1        0.01       97.36
         42 |          1        0.01       97.37
         76 |          1        0.01       97.38
         97 |         30        0.30       97.68
         99 |        232        2.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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