You can now search any question ever asked by Pew Research Center in their public surveys in this database. For instance, a quick search for term "astrology" revealed that in 2009, in Pew Forum on Religion & Public Life Religion & Public Life Survey, 25% of respondents answered "yes" to question "Do you believe...in astrology, or that the position of the stars and planets can affect people's lives?" (the other 71% said "no", and 4% didn't know or refused to answer).