The indicator is calculated by subtracting the world exports volume growth rate from the country exports volume growth rate. Eurostat's National accounts volumes for exports (as for all transactions concerning goods and services) are estimated in previous year prices to eliminate the influence of inflation. The volume growth rate is always calculated by comparing the year Y volume in previous year prices with the year Y-1 figure in current prices. The MIP indicator is expressed as percentage change comparing year Y with year Y-1. Data sources: Eurostat, online data code: nama_10_gdp (country's exports of goods and services) and IMF, World Economic Outlook (WEO) – world exports of goods and services.