"Figure 1: UK gross domestic expenditure on R&D, 1990 to 2014","" "","" "","" "Notes","" "Unit","£ billion" "","" "","Current prices","Constant prices" "1990","11.8","21.1" "1991","12.0","20.4" "1992","12.4","20.4" "1993","13.2","21.3" "1994","13.7","21.8" "1995","14.0","21.7" "1996","14.4","21.5" "1997","14.7","21.5" "1998","15.5","22.3" "1999","17.0","24.2" "2000","17.7","24.7" "2001","18.5","25.5" "2002","19.2","25.7" "2003","19.7","25.7" "2004","20.2","25.6" "2005","22.1","27.2" "2006","23.0","27.4" "2007","24.7","28.6" "2008","25.3","28.6" "2009","25.6","28.3" "2010","26.2","28.1" "2011","27.5","29.0" "2012","27.3","28.2" "2013","29.3","29.7" "2014","30.6","30.6"