The following table contains estimates, by police force area, of the weights of Class A and Class B controlled drugs seized within Scotland in operations involving the Scottish Drug Enforcement Agency during the period 1 April 2000 to 31 March 2001.ForceClass A WeightClass B WeightEcstasy Tablets KilosThousandsDumfries & Galloway Constabulary--10.0Central Scotland Police1.913.00.3Fife Constabulary0.8--Grampian Police1.6-5.0Lothian & Borders Police4.7177.724.9Northern Constabulary0.520.0-Strathclyde Police22.3139.618.4Tayside Police3.37.78.0Total35.1358.066.6Seizures by individual forces would be additional to these amounts.