Well i reccomend u to do some pull ups too.
lets say diamond push ups, pull ups,push ups,chin ups,iron gym bar dips.
Cause u do 3 exercises for pushing and 1 for pulling so if u add pull ups and it will be 3 pushing 2 pulling and its much better i think
Dunno how much u ll improve. Noone can tell u this, but the sure thing is that u ll improve more or less and thats what it really matters
Hope it helps and i hope u workout also ur core and ur legs