Gift exchanges: matching price?

Deeper into adulthood and learning that friendships dwindle overtime.. so grateful for those that’s still stay. There’s this group of friends that I have still continues to gift birthday presents to each other yearly; someone will suggest something and everyone else just fork out the amount. which is a good idea to remain updated with one another and I feel there’s something to look forward to. But here’s what on my mind:

(Is this being calculative or I need to find better friends?)

The gift we got one another is usually small and that’s alright. each time we prepare a gift for the person, I always make it a point to match the amount we each spent on the prior person. While I didn’t state this out obviously but will push the choice towards the one that best matches, a few dollars off is alright. I just didn’t think that one should feel shortchanged. However I can’t help but notice that for the past few years, the items I receive could be almost less than half the amount we spent total on the prior persons…

Disclaimer- I wasn’t the one to initiate this whole gift exchange. Though this is one of my top love language.

It’s small gifts so it’s not that im calculative about the amount but I am dumbfounded how no one else could’ve thought to get something around the same range? Like check the chat history. Isn’t that how budgets for Christmas exchange exist too?

Tbh I didn’t mean to search up the amounts until once my mum commented why I received a certain present when she knew previously how much (value) of the item I sent the birthday girl before.

Im someone who would surely fill up 90-101% of the budget given in my gift for someone even if it’s not someone close..

Do you guys who still do gift exchanges try to keep to the same budget for each person? Or you just get whatever?

Sometimes I can’t help but feel under appreciated in the group. I wonder if I should also try to halt this gift exchange thing… or try to broach the topic, what do you guys think?