The mean alcohol consumption of pupils who had drunk in the week prior to interview doubled from 5.3 units in 1990 to 11.4 units in 2000, and has fluctuated around this level since then.
The mean alcohol consumption of pupils who had drunk in the week prior to interview doubled from 5.3 units in 1990 to 11.4 units in 2000, and has fluctuated around this level since then.