ȵȸ 7.5% λ! 29 ȵû ȸǽǿ ֵ ȸ 2 ȸǿ ȵȸ( , ȸ) ȵȸ ݳ(3,232) 7.5% λ 3,474 Ȯߴ. ȸ λ Ȯ ռ 10 17Ϻ 23ϱ ȵù 500 ֹǰ縦 ǽߴ. ȭ(CATI) 翡 60% ñݾ 3õ510(8.6%λ) '()' ǰ , 7.5% λ ߴ. , ȵȸ ֹε а ħü 4 ߴ.