To ask the Secretary of State for the Home Department, what the volume was of seizures at points of entry of illegal drugs destined for the UK, in each of the last ten years, and what estimate he has made of those seizures as a proportion of the total amount of illegal drugs consumed in the UK in each of the last five years.
Data is publicly available on the volume of drug seizures by the Border Force in the publication https://www.gov.uk/government/statistics/seizures-of-drugs-in-england-and-wales-financial-year-ending-2017 - see Summary Table 2 of the data tables provided. The latest statistics for 2017/18 were published on 8th November 2018. This publication captures seizures made in England and Wales only. Consolidated data for the UK is not available for the last ten years, but is available from 2011/12 onwards in the publications. https://www.gov.uk/government/publications/border-force-transparency-data-august-2018
Information on the total amount of illegal drugs consumed in the UK in each of the last five years is not held by the Home Office.