| 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) |
| 7-12/04 | 2 | 2036 | 63.3% |
| 1-6/04 | 2 | 2027 | 66.0% |
| 7-12/03 | 2 | 2050 | 63.6% |
| 1-6/03 | 2 | 2129 | 68.7% |
| 1-6/03 | 2 | 2129 | 68.7% |
| 7-12/02 | 2 | 2058 | 65.2% |
| 1-6/02 | 2 | 2157 | 62.9% |
| 7-12/01 | 2 | 2103 | 73.5% |
| 1-6/01 | 2 | 2079 | 63.9% |
| 7-12/00 | 2 | 2183 | 58.1% |
| 1-6/00 | 3 | 2081 | 55.2% |
| 7-12/99 | 3 | 1577 | 48.8% |
| 1-6/99 | 3 | 1551 | 48.2% |
| 7-12/98 | 3 | 1590 | 45.0% |
| 1-6/98 | 3 | 1623 | 52.0% |
| 7-12/97 | 4 | 2092 | 44.0% |