Average Combat Score

yo I noticed that I have a combat score of abt 100-180 every game. It doesn't matter if I top-frag,bottom-frag or mid-frag. Its always the same and people with lower K/D get above me in the scoreboard. dunno whats causing it maybe some1 can help in some way.

Tracker: https://tracker.gg/valorant/profile/riot/Adi%23goofy/overview?playlist=competitive&season=all (dont mind my performance today)