Classical, maybe a little more than that, but not all that many. Here's-- I don't know, we should do a survey sometime.

古典音乐,也许稍多一点,但没有多少,大概,我不清楚,也许应该找时间做个调查

耶鲁公开课 - 聆听音乐课程节选

SIPC did a survey of the U.S.population and this is one of the--In 2001, this is one of the questions SIPC asked.

证券投资者保护公司做过全民调查,在2001年,证券投资者保护公司调查问卷的问题之一

耶鲁公开课 - 金融市场课程节选