(2) If the funds appropriated for the implementation of ORS 327.147 and 327.152 are insufficient to meet the obligations incurred under ORS 327.147 and 327.152, each district eligible to receive funds under ORS 327.147 or 327.152 shall receive its pro rata share of the funds available for the implementation of ORS 327.147 and 327.152. [1989 c.969 §4]