| 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) |
| 7-12/03 | 1 | 1059 | 63.5% |
| 1-6/03 | 2 | 2078 | 68.0% |
| 7-12/02 | 2 | 2043 | 67.1% |
| 1-6/02 | 2 | 2091 | 64.8% |
| 7-12/01 | 2 | 2077 | 60.3% |
| 1-6/01 | 2 | 2067 | 62.2% |
| 7-12/00 | 2 | 2127 | 56.0% |
| 1-6/00 | 3 | 2210 | 54.9% |
| 7-12/99 | 3 | 1660 | 49.7% |
| 1-6/99 | 3 | 1578 | 49.3% |
| 7-12/98 | 3 | 1587 | 47.1% |
| 1-6/98 | 2 | 1586 | 44.9% |
| 8-12/97 | 4 | 2080 | 44.7% |