I think i see the confusion: 1% vacancy 5% unoccupied but not open to rent So of the houses that are unoccupied, only 20% are vacant? (I actually read it as

I think i see the confusion: 1% vacancy 5% unoccupied but not open to rent So of the houses that are unoccupied, only 20% are vacant? (I actually read it as 1/6th but the point is where the confusion may have come from)