???? ???? 6? ?? ???

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?? 2012? 3? 13? 03? 00?

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??? ???? ?? ?? ??? ?? ?? ?? ??

??? ?? ??? ?? ???? ????? ????? 6? ?? ???? ????. ????? ???? ?? ???? ?????? ???? ???, ?? ??? ???? ???? ??? ??.

12? ???? ??? ??? ?? ?? 20%? 1?? ??? ????? 20.7%? 2005?(20.7%) ?? ?? ???. ??? 1?? ????? △2006? 20.08% △2007? 20.16% △2008? 20.11% △2009? 19.98% △2010? 20.47% ??? ?? ?? ??? ??? ??.

??? ????? ????? ?? 20～40% ??? 2??? 15.76%, 3?? 14.40%, 4?? 13.16%, 5?? 11.83% ??? ????? ???? ???. 1??? ????? 5??? 2?? ??? ?? ????? ??? ?? ??? ????? ?? ??? ??? ???. ?? ??? ???? ?? ??? ?? ??? ? ??? ?? ??? ??. ??? ???·????? ??? ?? ????????(4.0%)?? ??? ?? 8.1%??.

‘???’? ?? ????? ??? ??? ??? ??. ???·?????, ??·??, ??·??·??, ????·?????? 1?? ??? ?????? ???? ??? 45.13%? 5??? 31.62%?? 13.51%???? ???. ????? △2006? 43.17% △2007? 43.4% △2008? 42.95% △2009? 43.32% △2010? 44.36% ??? ?? ??? ???? ??.

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