߰ ֻ ǽ, ȵô 9 23Ϻ 10 20ϱ ȯ ϴ (IBR) μ ߺ ֻ縦 ǽŰ ϰ Ⱓ ֵ ϰ ִ. ȸ ǽϴ (IBR) û, , .( ߽) 켱 2,850θ ǽѴ. ߺ 2013 ö .갣 3 ̻ 1,323θ 켱 Ͽ ڰ Ǵ () ǽѴ. ȵ ( ö) ȯ ٹϴ ȣ⺴ ū ظ ִ , ַ ϴ μ ߺ ֻ縦 ǽϵ ϴ , 100% ǽÿ ҵ ֱ ҵ ܹ濪 ǽϿ ȯ ܿö ϴ 濡 Ͽ.