The eleven-year summary presents each year in accordance with the Generally Accepted Accounting Practice (GAAP) for that year. Earlier years are not restated when new accounting standards are applied. The years 1999-2003 are accounted for in accordance with Swedish GAAP for the respective year. As from 2004 the reporting is based on IFRS. The transition to IFRS is described in note 3 in the 2005 and 2006 Annual Reports. As from January 1, 2007, the benefits from the synergies created in the business units are transferred back to the product areas. Also, as from January 1, 2007, the responsibility for the Group's treasury operations and real estate has been transferred from Volvo Financial Services, which, as from January 1, 2007, only are consolidated in accordance with the purchase method. Comparison figures for 2006 have been recalculated.