| 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) |
| 7/02 - 12/02 | 2 | 2088 | 68.3% |
| 1/02 - 6/02 | 2 | 2084 | 64.7% |
| 7/01 - 12/01 | 2 | 2108 | 60.3% |
| 1/01 - 6/01 | 2 | 2077 | 63.2% |
| 7/00 - 12/00 | 2 | 2102 | 56.7% |
| 1/00 - 6/00 | 3 | 2226 | 63.5% |
| 7/99 - 12/99 | 3 | 1619 | 50.9% |
| 1/99 - 6/99 | 3 | 1601 | 53.2% |
| 7/98 - 12/98 | 3 | 1567 | 48.5% |
| 1/98 - 6/98 | 3 | 1656 | 54.4% |
| 7/97 - 12/97 | 3 | 1561 | 44.6% |