The volumes of expenditures in the EEA region (excl. LI and TR) are calculated by adding up the raw values of EU27 with the raw values of Iceland, Norway and Switzerland. In order to calculate the index (base year 1995) for all the table categories, the value of the expenditure volumes (as calculated previously) for each year (1995-2010) is divided by the expenditure value of year 1995 and then multiplied by 100.
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