????:1??????????SPA:???????????

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

3???????????

4??????????

5???????

    ???:??4????????,???,???

    ?????????4??????,???7???????,?????????2.6%?

    ?????????4??????????,???5.9%??????????,?????????????????10%??????????91??????????????????,71??????????????????

    ?????????????????????????4???,?????????????????11????2.4???,?5.0%???3.5%?

    ??????????? ??????????:????“???????????”(??????????????)?????????????????????,????????????????,?????????????????????,?????

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

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