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

2???????

3?????VX

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

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

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

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

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

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

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