| 調查日期 Date 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) |
| 7-12/03 | 2 | 2080 | 67.2% |
| 1-6/03 | 2 | 2111 | 69.8% |
| 7-12/02 | 2 | 2088 | 68.3% |
| 1-6/02 | 2 | 2034 | 61.5% |
| 7-12/01 | 2 | 2099 | 62.0% |
| 1-6/01 | 2 | 2088 | 63.8% |
| 7-12/00 | 2 | 2103 | 53.8% |
| 1-6/00 | 4 | 2852 | 59.8% |
| 7-12/99 | 4 | 2165 | 51.4% |
| 1-6/99 | 3 | 1601 | 53.2% |
| 7-12/98 | 3 | 1547 | 48.0% |
| 1-6/98 | 3 | 1656 | 54.4% |
| 7-12/97 | 3 | 1560 | 46.7% |