"• There were 216,296 drug seizures by the police and the UK Border Agency (UKBA) in England and Wales in 2011/12, a two per cent increase on 2010/11.
"• Class A seizures decreased by five per cent between 2010/11 and 2011/12, to 33,481. Class B seizures rose by three per cent to 181,011, while class C seizures fell by eight per cent to 6,915.
"• Cocaine was again the most commonly seized class A drug, though there was a one per cent decrease in the number of seizures between 2010/11 and 2011/12, to 17,449. The second highest seized class A drug was heroin with 9,150 seizures, a 15 per cent decrease from 2010/11 and its fourth consecutive fall.
"• The majority of class B seizures were for cannabis. The 173,153 seizures in 2011/12 compared to 167,410 during the previous year, a three per cent increase. This included increases in the number of herbal cannabis and cannabis plants seizures (up 6% and 14% respectively), and a decrease in cannabis resin seizures (down 23%).
"• The most commonly seized class C drug in 2011/12 was benzodiazepine with 2,689 seizures, which was eight per cent higher than the previous year?s 2,489 seizures."


Coleman, Kathryn, "Home Office Statistical Bulletin: Seizures of drugs in England and Wales, 2011/12, Second Edition" (London, England: Home Office Statistics Unit, Government of the UK, Nov. 15, 2012), HOSB 12/12, p. 7.