Frequencies for first 10,000 rows of rur_urb variable in accident dataset :

   land use |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,511       35.11       35.11
          2 |      5,189       51.89       87.00
          6 |         26        0.26       87.26
          8 |      1,270       12.70       99.96
          9 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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