| 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 | 2096 | 65.4% |
| 1/02 - 6/02 | 2 | 2063 | 64.6% |
| 7/01 - 12/01 | 2 | 2102 | 71.0% |
| 1/01 - 6/01 | 2 | 2128 | 63.4% |
| 7/00 - 12/00 | 2 | 2125 | 56.6% |
| 1/00 - 6/00 | 4 | 2631 | 53.9% |
| 7/99 - 12/99 | 3 | 1646 | 48.4% |
| 1/99 - 6/99 | 3 | 1590 | 49.3% |
| 7/98 - 12/98 | 3 | 1550 | 47.2% |
| 1/98 - 6/98 | 3 | 1589 | 47.3% |
| 7/97 - 12/97 | 5 | 2666 | 43.1% |