???? 14? ??? ??? 678?(4???)? ???? ????? ??? ?? ??? ??? ??? ??? ??? 10～100?(51.2%), 101～300?(18.8%), 301～1000?(17.0%) ?? ??? ??? ???? ???? ??? ????.

????? ?? ??? ? ?? 100?～150??? 64.0%? ?? ???? 200?? ?? ???? ???? ??? 2.4%? ??. ??? 22.2%? 100?? ???? ?????? ????.

??? ? ??? ???? ?? ???? 28.0%? ???? 84.7%? ?? ? ????? ?????? ?????? ????.

???? 93.9%? ???? ?? ??? ??? ???? ????? ? ??? 64.5%? ???? ????? ???. ??? ??? ???? ?? ???? ???? ??? 17.3%? ????.

???? ?? ??? ???? ??? 4?? 1??(30.3%)-4?? 2??(22.3%)-3??(16.9%)-2??(4.4%) ?? ??? ????.

??? ?? ?? ??? 69?? ??? ?? ??? ???? ?? ?????? ‘???? ??? ?? ??’(68.4%), ‘???? ???? ??’(18.4%), ‘???? ?? ??’(13.2%) ?? ???.

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