返回

 調查日期
 Date of Survey		 10-11/5/93 17-20/5/94 29-31/5/95 22-23/5/96 27/5/97 26/5/98 24/5/99 30-31/5/00
 成功樣本
 Successful Sample		 573 504 504 521 531 553 528 1,103
 回應率
 Response Rate		 54.3% 63.9% 51.7% 45.5% 44.4% 53.6% 48.2% 49.7%