Source: CEPII, BACI database.

Notes:

Products correspond to the 4-digits level in the Harmonized System (HS4) of product classification. It contains1,241 categories of products.

The three columns present the export and import concentration of respectively the country, its continent and the world.

Share of the first one: share of the first partner or product in the country’s, continent’s or world’s total exports or imports. Similarly the share of the first four represents the share of the four most important partners or products.

Number corresponding to 50% (90%) of exports (imports): number of partners or products which covers 50% (90%) of the country’s, continent’s or world’s exports (imports).

Individual data are not available for Belgium and Luxembourg for the whole period.
Tables for Belgium or Luxembourg refer to the sum of the two countries.