ֱ ܱ ڰ ؼ λ갡 ־ . ܱ 13Ϻ ż ߴ. Ⱓ 48850ָ żߴµ, ֽ Ѽ 0.4% شѴ.
λ갡 1981 ð 1997 ƴ. ִִ SK E&S 40% ϰ ִ. SK E&S SK 94% 迭 λ갡 7 ð ȸ縦 Ŵ ִ.
ð ġϴµ ڰ ʿ ġ ο ߺڸ ϰ 1 ȸ翡 οϰ ִ.
λ갡 λ걤 ޱǿ Ȯ ϰ ִ. 䰡 âǴ Ư λ갡 ø , ų 絵 Ѵ.
2003 ų 1ִ 1000 , ؿ 1000 ߴ. ð 5.1%.
2б 2207 Ⱓ 6% ߴ. 131 10% þ, 111 8% ߴ.
, λ갡 'º' ڳʿ Ұƴ. (ٷ : [º] λ갡, SK迭 ð ȸ)
ֽMRI м , 7%
ڰ ֽMRI м λ갡 ŷµ 25 18 ü 128( 7%) ߴ.
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