How much Vitality points give Constitution

[lordlosh]

Constitution - represents health and resiliency. A high Constitution adds modifiers to the vitality points gained at each level up. This is important for everyone, but essential for soldiers and Jedi guardians.

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So my question is, how much vitality/health points constitution give per level. How much will give me if i start with 16 and how much if i start with 18 ?

Thanks in advance.