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| 調查月份 Month of Survey |
半年結調查次數 Number of Surveys (Half-yearly) |
半年結成功樣本 Successful Sample (Half-yearly) |
半年結回應率 Response Rate (Half-yearly Average) |
| 1-6/2005 | 7 | 7146 | 64.4% |
| 7-12/2004 | 12 | 12227 | 63.7% |
| 1-6/2004 | 15 | 15397 | 64.2% |
| 7-12/2003 | 12 | 12496 | 66.5% |
| 1-6/2003 | 4 | 4151 | 68.3% |
| 7-12/2002 | 4 | 14586 | 66.5% |
| 1-6/2002 | 10 | 10386 | 63.0% |
