???? ??? ?????
?????? 2010? 11??? 2013? 10??? ? 3? ?? ?? ????? ???, ???? ??? ? ? 547?9560?? ??? ?? ??? ???? ???? ?? ? ??, ??, ??? ? ???? ??? 86.4%? ???? 15? ???. ?????(7.3%)? ??·???(6.3%) ? ???? ??? 13.6%? ???.
?? ???? ???? ???? ??? ??? ??? ???? ?? ‘????’? ??? ??? ??? ?? ‘??’? ‘??’? ?? 1, 2???. ‘??’(3?)? ‘??’(5?) ?? ‘????’(9?) ? ?? ??? ??? ??? ?????.