•a 



a 

 o 

 •a 



J3 

 o. 



CO 

 i-t 

 00 



o 



•a 



>> 



X 





<N a, 



o a. 



e 2 o 



o i«i 

 O — ' 



X 

 a. 





op 2 



S "^ 



Q E 



U O 



5 § c w 



"^ I g ^ 



nl ^ 



1-1 ni 



a) S 



a. M 



- 00 



■S 5 

 Q E 



<u 



>» 



^ 





c 

 o 



00 



(U 



o 



CO CO CO CD lO 



r-1 iH r-l 1-1 CO 



1-1 t-H rH <-l .-I 



• • • > • 



o o o o o 



t- IT- C<J CO -^ 

 fH rH 1-1 (N i-H 



lO O O ^ 1^ 



O 1-1 f-i o o 



Ci C75 Ci 00 00 

 C<5 oJ (N (N <N 



CO CD CD CO ^ 



<N (N <N <N IN 

 i-l i-l i-l r-l i-l 



CO 



C 



o 



'a 

 o u 



I i 



o 

 •S 



E 

 o 



o 



jO 



U4 



> 



00 T)< O UO t-I 

 • • • • • 



OS o "-i o •"• 



4-1 



o 

 E 

 ■3 2 



*-> CO 

 U J3 



CT> CO ■* 

 05 00 00 



oo 





CL, 



-l-l 



(A 



> 



o 



^ 6b 

 - c 



•a 



al 

 1^ 

 60 

 O 



E 

 S 



•s 

 •s 



CO 



Tjl CO CO 



• • • 



C- D- C- 



o 



00 



^ 



^ 



N CO 



CO (N 

 iH r-l 



OS OS CO 



r-l -"t <N 



C 



00 



10 



c 

 o 



•l-l 



o 



c 



E 

 o 



4-1 

 4-4 

 O 



.- o 



•S 



o 

 o 

 O 



c 

 o .. 



■0 OS 



> 



t/i 



M 



u 



4) 

 N 

 CO 



J= 



■o 

 o 

 o 



00 



C<1 (N <N 



(N (N (N 

 r-l iH --1 



CO 



T3 



CO 

 t-t 

 00 



o 

 E 



4-1 



•s 



•S 



CO 



CJS OS 



• • 



OO o 



CN (N in 



oo o "-< 

 c- oo oo 



CO (N 



• • 



T}« lO CJS 

 • • • 



o lo CO 



CO 

 4> 



o 



CO uo 

 Tji r-l 



00 



a 

 o 



a 



u 



u 



CO 



> S 



■3 2 

 u2 



N 

 CO 



J3 



■3 2 



■-■ CO 

 U J2 



CD 

 CO 



in 



CJS 



77 



