Could be! This recent study from researchers at Ohio State University and Boston University suggests that it's quite likely:
That's a pretty interesting study.
I can only hope they surveyed some of those hot sorority girls...
There's a good opening for you to bring up that discussion at Starbucks!
"You don't know you're beautiful." - Harry Styles
Perfect opportunity for Duck to find out if 'Cute blonde Girl' could be more than just a friend. Somehow, I don't think she needs to worry about her reaction.
As for the survey Elph, it certainly stands to reason there are more LGBT people in the world today. After all, the world population is always increasing, so logically that will lead to an increase in LGBT'ers.
The people who were conducting the survey were smart by giving people anonymity. That's about the only way to get some people to be truly honest about their experiences, whether it was a one-time thing or otherwise.