What the ..?

Eets is a bundle game, and you cannot get a higher contributor value than $30 by bundle games.

Read about bundle games. If there's an asterisk after the name of the game you can get maximum of 30$ from all of them

Bundle games have a limit of $30, the first $25 calculated normally then 20% of that from any more bundle games. Give away games not from a bundle if you want it to rise.

Because those games you gave away are considered bundle games.

You'll find more information here.