There has been some research done in this area [1]. What interests me more is how does this compare to the other countries, if someone has the link please post

There has been some research done in this area [1]. What interests me more is how does this compare to the other countries, if someone has the link please post it here. [1] http://www.nationalgeographic.com/roper2006/pdf/FINALReport2006GeogLitsurvey.pdf http://www.nationalgeographic.com/roper2006/pdf/FINALReport2...