He earns €17 million a year with bonuses, its been common knowledge since he signed the contract, that's €327,000 a week after tax.
Information an any given player's salary is much easier to find out here than in England, perhaps because the contracts are held by La Liga, not by the clubs concerned
If we were to cover half of that... €160kpw (net) must equate to at least £260kpw (gross) over here.