ī ̱ ֿ  Ʈ ޴ ̶ Ҹ ȾҴ.

12(ð) ī Ʈ ̱ ɸȸ(APA) ǥ ο ٿ ī ֹε Ʈ ٸ ֹε鿡 Ұ Ư ' ' Ʈ ū ϰ ִ Ÿ.

APA 1õ226 ¶ 縦 ǽߴ.

翡 Ʈ ּ 1 ִ 10 ī ֹ 5.6 ְġ ̾ , LA, ƲŸ, D.C. 5.3 Ҵ.

̱ 5.2 ƮƮ 5.2, þƲ 5.0, 4.6 ̾.

ī ֹε ٸ ֹε鿡 Ȳ Ҿ ũ ִ 巯.

ī 81% " Ʈ ȴ" ߴµ ̴ 75% 6% Ʈ ġ.

APA "߼ Ư ī Ȳ ٸ Ʊ "̶ мߴ.

ʰ ϰ Ʈ ֿ ̾.

翡 ī 75% Ʈ ޴´ٰ ߴ.

2010 74%, 2009⿡ 72%, 2008⿡ 66% , Ϸ Ʈ ޴´ٴ 4 ߼.

ī 3 1 ڽ ʴ´ٰ ߴ.

δ 4 1 ֿ ߴ.