To ask the Secretary of State for the Home Department how many seizures of illicit drugs there were at (a) Heathrow Airport, (b) Gatwick Airport, (c) Stansted Airport, (d) the Port of Dover and (e) the Port of Felixstowe in each of the last 10 years; and what the estimated street value of each such seizure was. (226648)

National seizure figures are published in the Annual reports for HM Revenue and Customs and HM Customs and Excise. Information below a national level is not disclosed.