Figure 1
UK CPI index plotted against serials expenditure % change since 1986
Sources: ARL Statistics 2008–2009, Association of Research Libraries, Washington, DC. Jim O'Donoghue, Louise Goulding, and Grahame Allen, “Consumer Price Inflation Since 1750”, Economic Trends, 604, pp. 38–64, Office for National Statistics, RPI figures. 〈http://www.ons.gov.uk〉