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• 1???????????????????
• 2?????????????????????
• 3????????????????????
• 4????????????:????????
• 5??:??????????
• 6?????????????????????
• 7??:????????????11?45?
• 8?????????????15?????
• 9??????0.7%???0.8%
• 10????????????????????
• 11??????????????????
• 12??????????????12???
• 13??????????172?4.9???36.7?
• 14?????????????????7???
• 15??????????????????????
• 16??????????????????????
• 17????????????????????
• 18????????????16??????
• 19????????????:???????
• 20?????????????????????