Terms of trade by items - 5 years % change

A country’s terms of trade measures a country's export prices in relation to its import prices. The terms of trade are a measure of a country's trade competitiveness since they indicate how much imports an economy can get for a unit of export goods and services. They are calculated as the ratio of the price index for exports of goods and services to the price index for imports of goods and services. These are obtained by dividing current prices by chain-linked volumes using the standard reference year 2015. The indicator refers to the percentage change over 5 years, i.e. data are expressed as percentage change comparing year Y with the year Y–5