" Figure 3a: R&D expenditure (current prices) by businesses in the UK, by largest product groups","" "","" "","" "Notes","" "Unit","% of Total RD" "","" "","2002","2007","2011","2012" "Pharmaceuticals","25.4","25.1","28.2","24.6" "Computer programming and information service activities","6.9","9.6","10.6","11.3" "Motor vehicles and parts","7.3","6.0","8.7","10.1" "Aerospace","10.8","13.2","8.2","8.9" "Machinery and equipment","6.2","6.6","5.6","5.8" "Telecommunications","5.8","9.8","6.0","5.2"