HM Revenue and Customs publish monthly clearances data (quantities released for consumption) on their website, http://www/uktradeinfo.com/index.cfm?task=bulloil. Their latest figures are in the table as follows.
Million litres Motor Spirit DERV 2003 27,389 21,047 2004 27,025 22,160 2005 25,608 23,201 2006 24,629 24,117 2007 (provisional) 23,892 25,129 Note: Biofuels are not included Source: HM Revenue and Customs