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? ?? ????? ???? ??θ???? ?ð? ?????? ????? o?? ?????? ????? ???. ??????????? ?????? ??θ??? 2522?????? ??????? ??????¸? ?????? ??? ????? ????? ???? ?????? ?????, ??? ???? ?δ? ?? ?????? ?o???? ??? ?????? ???????.

?????? ??θ????? ????? ????? 172???????? ??u ???? ??? ????? 353?????? ??????? ????? ?????.

????? ??? 100???? ????? 16.7%, 100??~200???? ????? 51.8%, 200???? ????? 31.4%?? ??????. ????? ????? ?????? 143???????? ????? ???? ??? ??? ???? 29?????????. ??????? ??u ???(2??6203????)?? 21% ?????? 5549?????????.

???????? ??? ?? ?????κ??? ??? ?????? 10???? ?? 1???? ????????. ?????????? ?????? ??? ???? 5.6%??????, ???? ???? ????? ??찡 83.0%?? ?????. ??????? ??????? ?????? ???? ????? ??쵵 6.3%??, ???????? 90% ??????? ???? ?????? ???? ????? ???. ???????? u??????? ?? ??? 77.2%?? ???? ????? ??????? ?? ?? 77.4%?? ?????? ????? ???? ?????. ??????? ??? ????? ????? 61??8000???????.

??? ????? ???? ?????? ??????. ?????? ??? ?? ??θ??? 10.4%, ????л??? ???л? ????? ???? 52.7%?? 56.2%?? ??? ????? ??????? ?? ???? ?????? ?ð??? ???? ???????. ??? ??? ?????? ?ð??? ?????? ??? ??? ??? 2.8?ð?, ????л? 3.7?ð?, ???л? 3.6?ð??? ?????. ??? ??? ?????? ??? ???? ??? ??? ??? ??? ?????? ??찡 ?? ???? ??θ????? ???? ?????? ?????? ??a ?????? ?n??? ?????? ???????.

?? ??θ? ???????? ???????? ???? ??a?? ?????? ??????. ??????? ?????? ???? ??? ??????? ?δ? ??θ??? ?????? 24.5%??, ??? ??????? ????? ?????(13.2%)?? 2?? ????? ?????. ????? 52.5%?? ??? ????, 19.3%?? ???? ?????? ?????. ???? ???? ??θ???? ????? ???? ?????, ???????κ??? ????? ????? ???? ???????? ?????? ??찡 ????. ?????(?????21)???? ??????б? ?? ?????? ?θ??? ???? ????? ??? ????? ???? ???. ?????? ?θ???, ???? ??????? ??? ?????? ?????? ????? ?????? ??????, ?????? ???????? ????? ??? ?ν??? ?????? ????????? ????? ???? ??? ?????? ???? ?? ?????? ???? a?????? ?????, ?????? ????? ???? ????? ?????? ????? ???? ?????????? ?????.