My friend group expects me to split bills equally… even when I order way less

This has been bothering me for a while now. Whenever we go out as a group, the bill just gets split equally between everyone. The thing is, I usually order way less than others. Sometimes it’s just a drink or something small, while others are ordering full meals, desserts, multiple rounds. But at the end, it’s always “let’s just split it evenly.” And if I bring it up, it immediately feels awkward — like I’m being cheap or difficult. So I’ve just been going along with it. But recently I realised I’m basically paying extra every single time just to avoid that awkward moment. Now I don’t even feel like going out with them as much. Am I overthinking this, or is it actually fair to bring it up?