| 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 | 12 | 12490 | 66.2% |
| 1/02 - 6/02 | 15 | 15812 | 63.4% |
| 7/01 - 12/01 | 14 | 14736 | 67.1% |
| 1/01 - 6/01 | 13 | 12619 | 63.3% |
| 7/00 - 12/00 | 15 | 14854 | 56.7% |
| 1/00 - 6/00 | 12 | 8523 | 54.2% |
| 7/99 - 12/99 | 13 | 7281 | 49.5% |
| 1/99 - 6/99 | 13 | 6867 | 52.2% |
| 7/98 - 12/98 | 15 | 8868 | 47.8% |
| 1/98 - 6/98 | 14 | 7440 | 49.8% |
| 7/97 - 12/97 | 19 | 11007 | 45.9% |
| 1/97 - 6/97 | 17 | 9133 | 45.7% |
| 7/96 - 12/96 | 12 | 7440 | 49.8% |