Frequencies for ocupants variable in vehnit dataset :

  occupants |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,225       82.71       82.71
          1 |        174       11.75       94.46
          2 |         45        3.04       97.50
          3 |         21        1.42       98.92
          4 |          9        0.61       99.53
          5 |          6        0.41       99.93
          6 |          1        0.07      100.00
------------+-----------------------------------
      Total |      1,481      100.00

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