2.0% (220.0 ) (5.0 ) () (20.0 ) (20.0 ) (30.0 ) (100.0 ) , , "" . ( -) , . (100) 2 2 - 4 . (.. 8 ) 1 (49.4 .): : 68.4 . : 0.7 . : 8.3 . : 6.8 .