I am glad that you put sources there:

来源: 于 2008-09-23 18:19:31 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次
Conservatively speaking, <今日美国》、ABC新闻和哥伦比亚大学 these 3 sources will put those numbers by at least 30% margin of error