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Methodological changes, as well as successive improvements made to rural tourism accommodation directories in some Provinces and/or Autonomous Communities, result in the data obtained from the date on which they are produced not being directly comparable with that published up until that point. Linking coefficients are compiled in order to enable their comparability, thereby making it possible to compare data between the different years.

Explanatory document on the use of linking coefficients

Methodological changes carried out in 2006 Linking coefficients (January 2005-December 2005)

Improvements to the Canarias directory (June 2009) Linking coefficients for Canarias June 2009 - May 2010

Improvements to the Canarias directory (July 2010), Comunidad Foral de Navarra (January 2011) and Extremadura (March 2011-February-2012). Linking coefficients for Canarias (July 2010-June 2011), Comunidad Foral de Navarra (January 2011-December 2011) and Extremadura (March 2011-February-2012)