????????? ‘????????????’ ???? ???? 4000? ?? ????? 20? ???. ??? ???? ????????????? 2228? ?, ??????? ??????? ?? 359? ?, 383? ?, ???????? 1268?? ???. ???????? ???? ??? ???? ?? ???? ??? ???? ???? ???? ??? ?? ???? ? ??? ?? ????. ????????? ??? ????????? ???? 1? 21.49%, 2? 55.59%?.
????? ??? ?????????? ‘?(POP) UMA’? ????? ??? ? ?? ‘??? POP UMA’? ????? 20? ???. POP UMA? ??? ????? ?? ???? ??? ??? ??? ??? ?????? ???? ?????? ???? ??? ????????. ????? ???? ?? ????? 2000? ???. ?? ?? ?????? ??. ???? ? 0.6~1%? ?? ???? ???. ???? ?????? ??? ???? ???? ????????? ?? ??? ? ??. 3??? ??? ?? ??? ???? ??? ??? ?? ???? ???? ????.