???12?55%?? ???
10????????ɡ3.52?/???2.56?/37.5%????????????(WHO)?????????????(?)(?)
?????????????????3????????????????
???
????6????5???2.10?/?6???6????613?2.44?/?623?3.54?/?10?45.08%?23?????????73??2.96?/?
7????728?3.42?/?731???3.92?/?3?0.5?/??11.36%??????2???
?????7?3.92?/?20169??????10????????719???2.53?/?3.92?/?12?54.94%???
??????????????????????????????????y????????????????????
????
??????????????????3?̧???????????????83??????????????????? ???????
?????????????????k???????????????????????????????????????????
??????
???????????????????????????????????29???????????????????++???????????????????
??????????????????????????????????????????????????????????????????
?
??