??????? ?? 5? ???? ??? ? ??? ??, 30??? ?? ?? ???? ??. ??? ???? 1?? ?? ???? ??, ????? ??? ??? ??? ?? ??? ????.

??? ????? 29?7,000??? ??? ???? 10.8%, 4???? 2.4%? ????. ???? ? 3,929??? ????? 15.7% ????? 4???? 5.1%? ????.

? ?? ?? ??? ???? 13%?? ??? ???? ??? ??? ??. ??? ???? ?? ????? ????? ?? ??? ??? 1? ? ??? ???? ???? 4% ??? ???? ????. ? ?? 2000?? ?? ?? ??.

?? ??? ??? ??? ??? ??? ???? ???? ??? ???? ??? ? ???? ???? ????? ????? ?? ??? ????? ?? ??.

???? ?? ???? ??? ??? ? ?? ??? ?? ??. ? ??? 30% ??? ? ????? ???? ?????? ??? ??? ? ?? ??? ??? ??? 4?1 ???.

???? ?? ?????? ?? ??? ??? ?? ??? ??? ???? ??. ???? ??? ????? ??? ?????? ???? ? ?? ???? ?????? ???? ??? ???? 18?~22????? ??? ???? ???? ???.

???? ????? ???? ?? ??? ??? ??? ?? ??? ???? ?? ???? ??? 1980?? ??? ��???? ??�� ??? ??? ??? ???? ???.

??? ?? ???? ???? ??? ?? ?? ????? (???? ????) ��????(92806) 26?6,000?? 25.2% ��????(92807) 31?1,500?? 17.1% ��???(92832) 22?4,000?? 19.5% ��???(92835) 35?6,500?? 15.0% ��?????(92841) 23?5,000?? 17.4% ��?????(92845) 28?7,000?? 14.6% ��???(92604) 31?6,500?? 17.2% ��???(92614) 29?2,500?? 19.6% ��???(90623) 33?1,000?? 15.3% ???.