????:1????????:?????QQ?

2?????????

3????????

4??????50?

5?????????

????10??????14?? (????????? ?????????????????)???14????????,?????,???????????????????

?????????????????,??,???????,??????????????,??????????????????,?????????,???

?????????????????,9?????????????????1.6%,????????6?????????????????????,????????????????

???????,9????????,?????????????????????????,???,????????????????????????,??,???????????????9???????????,9????

???,?????,?????800??,69%??????????????????(???????) ?????:?????????????????