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

  number of |
  occupants |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         47        0.47        0.47
          1 |      6,930       69.30       69.77
          2 |      1,876       18.76       88.53
          3 |        623        6.23       94.76
          4 |        286        2.86       97.62
          5 |        132        1.32       98.94
          6 |         55        0.55       99.49
          7 |         18        0.18       99.67
          8 |          8        0.08       99.75
          9 |          4        0.04       99.79
         10 |          2        0.02       99.81
         11 |          2        0.02       99.83
         15 |          1        0.01       99.84
         19 |          2        0.02       99.86
         23 |          1        0.01       99.87
         30 |          1        0.01       99.88
         35 |          1        0.01       99.89
         41 |          2        0.02       99.91
         46 |          1        0.01       99.92
         50 |          1        0.01       99.93
         51 |          1        0.01       99.94
         99 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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