In 2007 an international survey by Pew found that American support for free markets had edged down from five years earlier.

2007年皮佑调查结果表明，美国人对自由市场的支持相较五年前微微下跌。

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A survey last April by the Pew Forum on Religion and Public Life found that fifty-four percent of Americans opposed gay marriage.

VOA: special.2010.02.06

Pew found that two-thirds, or 67%, of American adults who are online use Facebook.

CNN: Survey: Most Americans take breaks from Facebook

Pew found that nearly three-fourths of U.S. adults read a printed book in 2011, and 11% listened to an audiobook.

CNN: E-books spur reading among Americans, survey shows

Pew found that the typical (median) teen Facebook user has 300 friends, while the typical teen Twitter user has 79 followers.

CNN: Survey: Teens' enthusiasm for Facebook is waning