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

  Number of |
  Occupants |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         46        0.46        0.46
          1 |      6,673       66.73       67.19
          2 |      2,044       20.44       87.63
          3 |        621        6.21       93.84
          4 |        327        3.27       97.11
          5 |        156        1.56       98.67
          6 |         54        0.54       99.21
          7 |         25        0.25       99.46
          8 |         11        0.11       99.57
          9 |          9        0.09       99.66
         10 |          6        0.06       99.72
         11 |          2        0.02       99.74
         12 |          4        0.04       99.78
         13 |          3        0.03       99.81
         17 |          1        0.01       99.82
         18 |          3        0.03       99.85
         22 |          1        0.01       99.86
         28 |          1        0.01       99.87
         30 |          1        0.01       99.88
         32 |          2        0.02       99.90
         43 |          1        0.01       99.91
         57 |          1        0.01       99.92
         58 |          1        0.01       99.93
         99 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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