Swedish Consumer Price Index From January 2005 the annual change is calculated using a new method. Back data for 1980-2004 has been computed according to the new method. The annual change is calculated on shadow index numbers with two decimals. The corresponding inflation rate will be computed as the change in per cent of the CPI number over the preceding 12 months. Numbers for 1980-2004 according to the old method are available on SWCPOLDY<Index>.