Frequencies for fire_exp variable in person dataset :

       Fire |
 Occurrence |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,133       78.79       78.79
          1 |         26        1.81       80.60
          . |        279       19.40      100.00
------------+-----------------------------------
      Total |      1,438      100.00

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