????:1??????????:??????????

2???????

3?????

4?????????????

5???????????

??11????????????????????27??? (???????????????????? ???????????????????)????????????27?????????????????,???,?,?????????????????????

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

????????????20?????,??????????11?????22?????????????????????,???????70?,???6??

?300?????????????????????,??8.6%???????????8.7%????????????,????????,??????????????????(??????) ????:???????????