Yeah their sums are much better. They include
[quote:2g535iw5]The real disposable income index is a (relative) measure of disposable income, that is, total
household income, minus payments of income tax and other taxes, social contributions
and other current transfers, converted to real terms.[/quote:2g535iw5]
rather then just straight average wage.
Between 1996 and 2004 alcohol got 47% more affordable (p27) and only slightly more so for 16-24 year olds.