| 調查月份 Month of Survey |
按季調查次數 Number of Surveys (Quarterly) |
按季成功樣本 Successful Sample (Quarterly) |
按季回應率 Response Rate (Quarterly Average) |
| 10/02 - 12/02 | 3 | 3112 | 65.3% |
| 7/02 - 9/02 | 3 | 3148 | 68.2% |
| 4/02 - 6/02 | 3 | 3153 | 65.7% |
| 1/02 - 3/02 | 3 | 3064 | 61.3% |
| 10/01 - 12/01 | 3 | 3199 | 62.5% |
| 7/01 - 9/01 | 3 | 3122 | 73.1% |
| 4/01 - 6/01 | 3 | 3217 | 69.3% |
| 1/01 - 3/01 | 3 | 3131 | 57.4% |
| 10/00 - 12/00 | 3 | 3145 | 53.2% |
| 7/00 - 9/00 | 3 | 3179 | 55.6% |
| 4/00 - 6/00 | 3 | 2635 | 52.6% |
| 1/00 - 3/00 | 3 | 1605 | 55.1% |
| 10/99 - 12/99 | 3 | 1570 | 48.5% |
| 7/99 - 9/99 | 3 | 1635 | 47.9% |
| 4/99 - 6/99 | 3 | 1573 | 49.4% |
| 1/99 - 3/99 | 5 | 2640 | 51.4% |
| 10/98 - 12/98 | 4 | 2080 | 44.3% |
| 7/98 - 9/98 | 5 | 2675 | 48.3% |
| 4/98 - 6/98 | 4 | 2157 | 48.5% |
| 1/98 - 3/98 | 3 | 1587 | 48.3% |
| 10/97 - 12/97 | 3 | 1573 | 45.6% |
| 7/97 - 9/97 | 3 | 1608 | 41.2% |