| 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) |
| 7-12/02 | 6 | 6244 | 66.8% |
| 1-6/02 | 6 | 6271 | 63.6% |
| 7-12/01 | 6 | 6304 | 67.0% |
| 1-6/01 | 6 | 6271 | 61.5% |
| 7-12/00 | 6 | 6440 | 55.5% |
| 1-6/00 | 6 | 4250 | 55.4% |
| 7-12/99 | 6 | 3217 | 50.0% |
| 1-6/99 | 7 | 3681 | 53.7% |
| 7-12/98 | 6 | 3158 | 45.1% |
| 1-6/98 | 6 | 3209 | 50.7% |
| 7-12/97 | 10 | 5287 | 45.5% |