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

2???????

3??????

4???????

5???????

???????????????????:???20?????????????????????,??????,18???????????,?????????4.6%?

?????????????????????????????,18?????????,????????????29.7%,???0.8??,??“?????”?????????????,???,???????????????????????????????

???????,18????????????????????,?????????10.7%,?????????11.5%;???19.1%,??????????????

?????????????????,???20182023???,?????????????????4??????????,?,???????????????????

????:?????