"Of the total net production costs of $13.2 billion, tobacco accounted for by far the largest share (60.7 per cent or $8.0 billion). Alcohol represented 26.8 per cent ($3.5 billion) and illicit drugs 12.5 per cent ($1.6 billion). Of the gross production costs of $22.9 billion, workforce losses represented 47.9 per cent ($11.0 billion) and household losses 52.1 per cent ($11.9 billion)."

Source

Collins, David J. and Lapsley, Helen M., The costs of tobacco, alcohol and illicit drug abuse to Australian society in 2004/05, Monograph 64, Report prepared for the Department of Health and Ageing, 2008, p. 58. http://www.nationaldrugstrategy.gov.au...