I I 



I I 



00 I 



I I 



to t/1 t/> 



I to 



GO I 



OO LO 



I CD OO 00 



CO to 



I CD CO to 



I I 



CO Q 



I CO CO CO to 



6-. t^ 



to to 



t CO 





CQ CO 



t CO CO CO 



to CO 



CD CO 



I I I I 



I I 



£ 



£ 



II. 



s: 

 o ■ 

 o 



>-3 



12 



t 



■6> 



Si 



c ■>- c 



11 



