Export market shares by items - % of world total

The export market share is calculated by dividing the exports of the country by the total exports of the region/world (expressed as percentage in the database). The indicator measures the degree of importance of a country within the total exports of the region/world. For the calculation at current prices, the market share refers to the world trade (world export market share). Data on the values of exports of goods and services are compiled as part of the Balance of Payments of each country. The indicator is calculated as % of world total. Source of total world data used as denominator: International Monetary Fund (IMF).出口市场份额（export market share）的计算方式为：以一国出口额除以对应区域或全球的总出口额，数据库中该指标以百分比形式呈现。该指标用于衡量一国在对应区域或全球总出口中的重要程度。若以现价进行计算，则该市场份额指代全球贸易项下的世界出口市场份额（world export market share）。货物与服务出口额数据均作为各国国际收支平衡表（Balance of Payments）的组成部分进行归集整理。该指标以占全球总出口额的百分比形式计算。作为计算分母的全球总出口额数据来源为国际货币基金组织（International Monetary Fund, IMF）。