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

  Number of |
  Occupants |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         47        0.47        0.47
          1 |      5,689       56.89       57.36
          2 |      2,539       25.39       82.75
          3 |        815        8.15       90.90
          4 |        467        4.67       95.57
          5 |        193        1.93       97.50
          6 |         88        0.88       98.38
          7 |         47        0.47       98.85
          8 |         21        0.21       99.06
          9 |          9        0.09       99.15
         10 |         10        0.10       99.25
         11 |          6        0.06       99.31
         12 |          1        0.01       99.32
         14 |          1        0.01       99.33
         17 |          1        0.01       99.34
         18 |          2        0.02       99.36
         20 |          1        0.01       99.37
         21 |          1        0.01       99.38
         26 |          1        0.01       99.39
         27 |          1        0.01       99.40
         29 |          1        0.01       99.41
         30 |          1        0.01       99.42
         34 |          1        0.01       99.43
         39 |          1        0.01       99.44
         44 |          1        0.01       99.45
         48 |          1        0.01       99.46
         53 |          1        0.01       99.47
         97 |          3        0.03       99.50
         99 |         50        0.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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