Estimated Prevalence of Last-Year Drug Use Among Young Adults in England and Wales

Source: 

"Drug Misuse: Findings from the 2014/15 Crime Survey for England and Wales" (London, England: Home Office Statistics Unit, July 2015), p. 7.
https://www.gov.uk/government/...
https://www.gov.uk/government/...
"Drug Misuse: Findings from the 2012/13 Crime Survey for England and Wales" (London, England: Home Office Statistics Unit, Government of the UK, July 2013), p. 13.
https://www.gov.uk/government/...
https://www.gov.uk/government/...
https://www.gov.uk/government/...

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