Having a geographical dispersion to yield losses is fairly...

Having a geographical dispersion to yield losses is fairly typical. In 2002, for example, 42 counties located primarily in the southern part of Illinois had percent yield losses indicating greater than 20 percent losses. During that same year, 20 counties located primarily in the northern and western part of the state had positive yield deviations. The 2002 distribution is almost a mirror image of the 2005 distribution.