Frequencies for fire_exp variable in person dataset :

       Fire |
 Occurrence |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,049       79.35       79.35
          1 |         17        1.29       80.64
          . |        256       19.36      100.00
------------+-----------------------------------
      Total |      1,322      100.00

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