"In Northern Ireland on 1st March 2012:
" There were 5916 individuals in treatment for drug and/or alcohol misuse. Of all those in treatment on 1st March 2012:
" Just over one half (53%) were in treatment for alcohol misuse;
" Approximately one quarter (26%) were in treatment for drug misuse; and
" Just over one fifth (22%) were in treatment for both drug and alcohol misuse."
Northern Ireland Statistics & Research Agency, Statistical Bulletin PHIRB 2/2012, "Census of Drug and Alcohol Treatment Services in Northern Ireland: 1st March 2012" (June 2012), p. 1.