"Figure 9: Value and number of mergers and acquisitions in the UK by UK companies, 1987 to 2017","" "","" "","" "Notes","1. Estimates for domestic independent M&A for the last 10 years with highest £36,469 million and lowest £3,413 million At Quarter 1 2010, the deal identification threshold for the mergers and acquisitions surveys was raised from £0.1 million to £1.0 million. There is therefore a discontinuity in the number of transactions reported as illustrated in the figure. 2. All values are at current prices (See Source of data for definition) " "Unit","Value (£ million) / Total number of transactions" "","" "Period","Total number of transactions","Value (£ million)" "1987","1528","16539" "1988","1499","22839" "1989","1337","27250" "1990","779","8329" "1991","506","10434" "1992","432","5941" "1993","526","7063" "1994","674","8269" "1995","505","32600" "1996","584","30742" "1997","506","26829" "1998","635","29525" "1999","493","26163" "2000","587","106916" "2001","492","28994" "2002","430","25236" "2003","558","18679" "2004","741","31408" "2005","769","25134" "2006","779","28511" "2007","869","26778" "2008","558","36469" "2009","286","12195" "2010","325","12605" "2011","373","8089" "2012","266","3413" "2013","238","7665" "2014","189","8032" "2015","245","6920" "2016","428","24688" "2017","361","18625"