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

2???????????

3??????95?98?

4?????????

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

??????????10???????????9?????? (???????? ??)????????,?????????????????????,???????

??????9????????????????,???????????????????9??,??16.7????14.4,???

??????(Alan Vallance)????????????:“?????,???,????????”

??,??????????????220???????????????????????????????,??????10?????????30????

??????????????????,29%??????????????????,??????????2004????????????,??16%?????

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