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

??????????2??????14?? (?? ????????)????????????14?????????????????????,??????????2????????8??????,????????????50?????????????13???,?5.3?,???75%?

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

?????,?770??,????1????????10????????1??22.5?????6????????????????????,??????????????????????????,???????

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

???,?“???”??“???”?????

?????,????????????????3?????????,?7500?????,???????????????????95%????????????????,????????????????????

?????,?????96.8%,????????2.2%,???1%,?????

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