This is an index describing the regular earnings of wage and salary earners. The base year of the index is 2002=100. The index is not influenced by the effects of overtime work or one-off bonuses or remuneration items. The basic data cover approximately two-thirds of the full-time wage and salary earners in Finland. Wage and salary earner groups by industry are weighted together in the index with fixed wage bill weights. The data relating to individual units in the basic data are confidential.