返回
| 調查年份 | 成功樣本 | 回應率 |
| 7-12/04 | 2030 | 66.1% |
| 1-6/04 | 2057 | 66.0% |
| 7-12/03 | 2080 | 67.2% |
| 1-6/03 | 2111 | 69.8% |
| 7-12/02 | 2088 | 68.3% |
| 1-6/02 | 2034 | 63.5% |
| 7-12/01 | 2099 | 62.0% |
| 1-6/01 | 2088 | 63.8% |
| 7-12/00 | 2103 | 53.8% |
| 1-6/00 | 2852 | 59.8% |
| 7-12/99 | 2165 | 51.4% |
| 1-6/99 | 1601 | 53.2% |
| 7-12/98 | 1547 | 48.0% |
| 1-6/98 | 2698 | 51.9% |
| 7-12/97 | 2593 | 47.3% |
| 7-12/96 | 820 | 50.5% |