.


:




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(: . ., 2000)

, , -, ./10 , / ,
5-6 7-8 9-10 11-12 13-14 15-16 17-19 286.0 219.7 207.0 203.3 179.3 171.0 177.4 47.8 53.9 55.8 62.4 62.9 71.4 72.8 4.07 4.83 5.09 6.85 7.76 7.73 8.46 25.6 30.6 35.1 38.9 44.2 46.2 45.0

, - .

 

20-25% 6-7- . . , , , , 2-3 . , ( 2 ) 60% , ( 0.5 ). . ? , . , -, 70% - (4-7./). . , ( 20-30%) , , , . , , . , , , .

. 4-5 , . 6-7 , - : 4-5 , 6-7 .

, 1.5-2. .

, , , . ( 10-11 ) .

- 10 . 5 11 47,8 62,4 (..20). 1.5 . 10-11 , . 2 , 5-6 ( 10 - 15 ).

. , . - . , . ( 14 ).

, . 6-7 , , .

4-5 7-8 , , 9-14 . 23% , 7-8 27 % ( 44%, 50% ).

(5-6 ) , (7-8 ). , . 4 7 1.5-2 . , 18 29 , 7 12 , 5 10 . 7 11 1.5-2 ( 65.4 , 21.4 , 19.5 ). 7-8 , 10-11

.

- . , 2- . 6-7 , . 9-11 . 7-8 35% . , . . .

- , , - , . , , , . 5-6 .

- ( , , .) 7-9 , 11 (. . 20). 4 . 47 , 7 . 116 ; 4 . 14 , 7 . 26 .

( 70% ) , - . 7 11 ( 50% ), (100% ).

8-10 - . (. . 21) ( , .) . , - ,

(- ) . , , . 8 10 40-50%, .

21





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