Instead of being critical of the survey, it should be viewed with alarm.
An estimated £5.9bn a year is spent on illegal drugs, two-fifths of the amount spent on alcohol.

According to the European Monitoring Survey, cocaine use in Britain doubled between 1998 and 2001 and is now the second most popular drug, and you can be sure there will be no downward trend in the use of cocaine, whenever the next survey is made.