| 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 | 6 | 6243 | 65.1% |
| 7/02 - 9/02 | 6 | 6247 | 67.4% |
| 4/02 - 6/02 | 7 | 7340 | 64.7% |
| 1/02 - 3/02 | 8 | 8472 | 62.2% |
| 10/01 - 12/01 | 8 | 8491 | 64.4% |
| 7/01 - 9/01 | 6 | 6245 | 70.7% |
| 4/01 - 6/01 | 7 | 6349 | 71.5% |
| 1/01 - 3/01 | 6 | 6270 | 53.6% |
| 10/00 - 12/00 | 9 | 8339 | 56.6% |
| 7/00 - 9/00 | 6 | 6515 | 56.8% |
| 4/00 - 6/00 | 6 | 5346 | 52.6% |
| 1/00 - 3/00 | 6 | 3177 | 55.8% |
| 10/99 - 12/99 | 7 | 4101 | 49.7% |
| 7/99 - 9/99 | 6 | 3180 | 49.2% |
| 4/99 - 6/99 | 6 | 3166 | 49.1% |
| 1/99 - 3/99 | 7 | 3701 | 54.9% |
| 10/98 - 12/98 | 7 | 4597 | 46.9% |
| 7/98 - 9/98 | 8 | 4271 | 48.6% |
| 4/98 - 6/98 | 8 | 4298 | 49.9% |
| 1/98 - 3/98 | 6 | 3142 | 49.5% |
| 10/97 - 12/97 | 10 | 6241 | 48.0% |
| 7/97 - 9/97 | 9 | 4766 | 43.5% |
| 4/97 - 6/97 | 9 | 4794 | 44.1% |
| 1/97 - 3/97 | 8 | 4339 | 47.5% |
| 10/96 - 12/96 | 11 | 6916 | 49.2% |
| 7/96 - 9/96 | 1 | 524 | 56.2% |