oh - didnt know that >.<
BTW, thank you for all this GAs

Hmm, but I thought it works as written in the FAQ.

https://www.steamgifts.com/about/faq

After you give away a game 5 times (whether in the same giveaway, or in multiple giveaways), it will begin decreasing in value. The value is decreased by 10% for each additional copy. This means if you decide to give away 8 copies of a $10 game, it would add $74.39 (10 + 10 + 10 + 10 + 10 + 9 + 8.10 + 7.29) to your contributor value. This has little effect on the majority of users, but prevents individuals from receiving a high contributor value from gifting a large number of promotional gifts, games obtained through pricing errors, or keys from contacting game developers.

Thanks for the info, I'll have to look into this.

it does, i believe for the first 5 of a game youll get the same % and then each additional copy will grant less and less