• • .. 
--5te :r­
1. 
FIGURE IN BAR DENOTES PERCf.NTi\GE Of NORMAL IMPORTS 

2. 
FIGURE OPPOSITE SOURCE SHOWN IN BAR INOICA TES PERCENTAGE OF DEPENDABILITY 


t T
100 
•I A,•..\ A 

u ' J'lii\ 
,.rr r >
',I
10 
A ,,, II\ 
1 I\ I I 'J J'
c.·,·,.~~A 
().')',' 
,, •' I''
.. 
"'" ""'? c
90 
C41t l I '11 J 
r v,.~ ~JA 
18 I 'i 
0 
80 
...,..,, () I<" p I 
, I f\~ ~ I(/I, I {I
1r; 1r1, 
,, 
70 
60 ­
r /I' /\f:I\ I I i''J 
50 

cuvo 
I ',
C;O , , 
J!'U rJ 
PP, '" ' 
40 ;, 



LI '; 7'). r,r, 
''.J r 
' ·. 


30 
/t 
I) ', 
")(, ,,,
20 
I, 
; r ,r
lO ( 
I •' I' 

[
r I/ 
0 I I 

~~"~ 
. '•.) . 
FEM/\ gLU·~ ~ #. '":· l-10-Dl.. 
(,r) 
... 
' ,, 
--
I• "I 11 ,,,, I fi I 
J\ 
&~\~

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