Cheers for looking up the stats. But I suppose there might be more to it than just "average price of booze". For instance, when I (in NL) need some quantity of (cheap) vodka for a party, it pays to get them from Germany where most hard liquor[0] is roughly half the price than it is in NL. Other stuff, like beer, is about the same.

[0] that isn't marked up for other reasons, such as Whiskey