dIn 2000, the decision was made to weight the data to compensate for under-representation of people in some groups. This table shows weighted and unweighted data for 1998 to give an indication of the effect of weighting. Caution should be exercised when comparing weighted data with unweighted data.
eFigures produced using the revised methodology for converting volumes of alcohol to units assuming an average wine glass size.
fFigures produced using the updated methodology including data on wine glass size.