It sounds like a lot, but then each baby is different so I can't judge. Spitting up after each feed is normal though, my daughter did that too. Unless she projectile vomits regularly, I wouldn't be too worried.
That does sound like a lot of milk especially if every couple of hours. Try reducing it by maybe 10-15ml and see if that makes a difference with the spitting up.
Hi... baby will stop drinking when they’re full. Over feeding might cause baby to vomit
if you wish to increase her feed try to do it bit by bit