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

2???????vx

3??????95?98?

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

5??????

?????10????????18?? ??????18???,??,????1.6???,???30.1%?

????????????7854.5????????????6469.4??????????1646.1????,???27.3%?28.9%?50.5%?????842.9??(??????????????????)???,?????31.1%,???23.6????2.6??????????11.1??????805.6?,??????46.5%?8.3%?6.7%?31.2%?

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