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 |      6,700       67.00       67.46
          2 |      2,020       20.20       87.66
          3 |        623        6.23       93.89
          4 |        327        3.27       97.16
          5 |        148        1.48       98.64
          6 |         61        0.61       99.25
          7 |         30        0.30       99.55
          8 |         16        0.16       99.71
          9 |         10        0.10       99.81
         10 |          3        0.03       99.84
         11 |          3        0.03       99.87
         12 |          4        0.04       99.91
         13 |          2        0.02       99.93
         16 |          1        0.01       99.94
         22 |          1        0.01       99.95
         29 |          1        0.01       99.96
         35 |          1        0.01       99.97
         42 |          1        0.01       99.98
         51 |          1        0.01       99.99
         99 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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