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

  Number of |
  Occupants |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         43        0.43        0.43
          1 |      5,838       58.38       58.81
          2 |      2,521       25.21       84.02
          3 |        809        8.09       92.11
          4 |        387        3.87       95.98
          5 |        168        1.68       97.66
          6 |         80        0.80       98.46
          7 |         29        0.29       98.75
          8 |         14        0.14       98.89
          9 |          6        0.06       98.95
         10 |          3        0.03       98.98
         11 |          4        0.04       99.02
         12 |          1        0.01       99.03
         13 |          4        0.04       99.07
         14 |          1        0.01       99.08
         15 |          1        0.01       99.09
         20 |          2        0.02       99.11
         24 |          2        0.02       99.13
         27 |          1        0.01       99.14
         33 |          1        0.01       99.15
         35 |          1        0.01       99.16
         54 |          1        0.01       99.17
         68 |          1        0.01       99.18
         97 |         48        0.48       99.66
         99 |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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