As a minnow, I just tried this. You must be contributing a lot more than the minimum bid for these votes to be getting 11%.
I just tried with 1.0 SBD bids, and got .35% votes, making the vote pretty much moot. A 50cent vote isn't going to get you to trending.
I have 80+ votes on my post, but since trending only bases it's selection based on $ value, it still just gets buried into the abyss.