, . , 20% 100% . 30 . 1. . . , ʻ, һ, ͻ, , . . 2. . 0% 3 . 3 -. 0% 3 . . 10 -. 0% 5% 10 . - 0% 8 0% 2 - 0% 3 0% 3 0% 3 0% 6 . . 0% 2% 4-24 . 70% 30% 30