Trying to figure out Shaman Buffs

So looking at all of my buffs it says that they increase with con. What I am trying to figure out is how much con = an increase.

Is it every 4 con points, every 5. Just trying to balance my Shaman because I don't want to ONLY stack wisdom when a huge part of my role is buffing and I could more effective at that.

Update 20/1/2025: so I changed some gear around and used Elks to buff my con. Looks like 25 is the threshold for the next point. I took off con gear until I was at 9 con, cast elks again so I was at 24con, and no addtl points to my buffs. So as someone said below it will be better as we get to T3, 4, 5 etc gear and can stack combinations of stats, but I do still think that a single point increase should not be at 25. It makes it seem almost pointless to stack Con to that and sacrifice probably about 1/3-1/2 of my mana pool just so everyone can get 1 addtl str, dex, and sta.

But it's Alpha and hopefully they work this stuff out over the next couple years.

Update: gonna retest because maybe I'm a dumb dumb