????? ??? 27??? ?? 4??? ??? ??? 786?? ???? ′2009? ??? ????? ???′? ??? ??, ???? 57.9%(455?)? ′??? ????? ???? ???′? ???? 8? ???.

??, ′??? ????? ???? ??? ???′? ?? ???? 23.0%(181?)? ?? ??? ????.

??, 2006??? ??? ??? 45.2%, 2007??? ??? ??? 51.3%, 2008??? ??? ??? 53.2%? ′??? ????? ???? ???′? ?? ? ?? ????? ?????? ??? ???? ?? ??? ????.

???? ??(60.8%)? ?????? ??(55.8%)? ?? ?? ?? ??? ????.

????? 50?(68.2%)? 40?(65.6%)? ′??? ????? ???? ???′? ?? ?? ?? ????, ?? 30?(58.6%), 20?(53.3%) ??? ????.

?? ????? ??? ??? ?? 62.3%? ?? ?? ????, ???? ??? 58.9%, ??·???? 57.4%, ??? 56.5% ????.

???? ??? ??? "?????? ???? ????? ??? ?? ???? ??? ????? ??? ? ?? ?????? ????? ??? ??? ? ??"? "??? ???? ?????? ??? ?? ??? ??? ???? ??"? ???.

【??=???】