?????:???????????

????:??????????:??SN???

????????????11????????22?????? (????????????????????? ????)????????????????22?????????,9??????????105,??;????????????????1.2%,????14.4%,???

??,?20??(???)??????????,?????????????,????????????????????????????

?????????????????,??13??????,???

??,19?????????(????)????123,???,????????????18?????????????????,????????,19?(??)???2.5%,???????????????????28.7%????????????????????????????????

“????”??????????????????????????????????????(??) ?????:????????