The data provided forquestion S2W-2141 are extracted from published information.Estimated number ofdwellings in Scotland: Statistical Bulletin (Housing Series) HousingTrends in Scotland: Quarter ended 31 March 1992 (HSG-1992-5,SPICe bibliography number 29613) and Quarter ending 31 March 2003(HSG-2003-4, SPICe Bib. number 28820).Right to buy sales data for Scotland:historical data are available on the Scottish Executive Housing Statistics referencesite in the data library section (website address:www.scotland.gov.uk/stats/housing/hsbref)and in the Statistical Bulletin (Housing Series) Housing Trends in Scotland: Quarter ending 31 March 2003 (HSG-2003-4, SPICe Bib. number28820).Data for England and Wales areadapted from UK Housing Review 2002-03 (Wilcox, 2002).