It's like 40% in those under 18 because of social pressures from the LGBTQ community. And less than 1% in those over like...50 or something...
It's because they're represented far greater than is proportional for their community.
Like, you'll never see a dark black person on TV, or almost any Asian people. But guaranteed there will be a VERY light skinned black person, and someone who's gay at the very least. Almost never any hispanic people in our television either.