How much oil is lost/burnt if there's no leaks?

[Digrizrat]

I I just had to put 750ml oil into my van, it's done about 5,000 miles since the 120,000 mile service. 2013 euro5 125ps fwd mk7

How much oil loss is normal?

I imagine some small amount will leak round the turbo seal and past the pistons and valvestems etc, but I don't know what's reasonable. I wouldn't say there's any visible leaks, but it's not spotless either.

[ake]

My 2012 Euro 5 has done 93k miles.
I have never topped it up between services

[Punto443]

Never topped up any of my transits in between services

But then, mines a e4

[loot]

Never topped up snowflake either
So far this euro 5 i have isn't using any oil.