Documentation of data
Figures before 1777, please see chapter 3 (Grytten) in Norges Bank's Occasional Paper No. 35.
Figures for 1777-1920 see Wholesale price index (WPI), seasonally adjusted, Table A1 in Norges Bank Working Paper 2013/23 (Klovland).
Figures 1920-1960 are Statistics Norway's cost of living index, cf. chapter 3, page 71 (Grytten) in Norges Bank's Occasional Paper No. 35.
Figures from 1960 correspond to Statistics Norway's data for the consumer price index (CPI).
Annual data are available from 1516 and monthly data from January 1777. 1998=100. See Consumer price indices (Historical Monetary Statistics)