( , 1986)
, | 11-14 | 15-17 | |||||
, . | 9-12 | 12-13 | 14-15 | 15-16 | 17-18 | 18-25 | 25-30 |
( . ., 1985). , , (3-3.5 ) (50-52 ), .
( ), . , ( , .), , ( ), (), . 6 . , 6- , 18%. 30-72%, / 15.8%, 7.6%.
. ,
, , .
, , , , . , , , . , , , , , . . .
, . . , , 10-13 , 66% , 6-9 - 12.5% .
. . .
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20-25% , , , - , .
ೳ ( ). , . , . , . . , .
. , . , , , .
, , .
( , ) , . .
. , 5 10 90% . , , , .
.. (50% ). (100%) (80%) . 7-8- 9-10 , , . (70% ) .
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, -, .
, , , , . , , , , .
, . 9-10 , . , (1 -2 ) - , ,
, . , .
7-8 10-11 , 70-80% . ( ) - 9-10 , 1 -2 ( 11-12 ). . 35 90%.
, . , 11-12 2 47.7 /., 43.2-50 /.. 11-12 (50 /.) . (80-100%)
10-11 , 1-2 . 7-11 1.5-2 , .
7 -10 2300 ( 5000-6000 ).
, 7-8 15 1/5 ( 7 /.), 10- 20 1/3 (8 /.). (70% ) 4-5 ; (80%) 50; (100%) 10.
7-8- 100, 9-10- 100-120 1 . ( 1.8-1.9 / 1.5-1.6 /).
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( 10-15 10-12 ) , - . 8-10 50% , 10-20.
PWC . 5 , , 40 ./,. .140-160./. :
: ,
(
130./),
W , :
: n 25 /,
(),
h ().
4 12-16,5 18-24,6 20-24 . : 8 2 35 ; 8-11 3 35 ; 12-18 4 40 () 45 ().
PWC 26.
26