Covers: most countries
Years/Currency: 1948-1998
Trade classification: Trade expressed in aggregate US$; no commodities listed
Offers: Older series of data data on value of merchandise exports and imports between each country and its trading partners; in aggregate US$ for most countries and regions.

General statistics on most countries in the world, 1750-2010.

Covers: UN member countries
Years / Currency: Annual, 1950- , to within last three years; older versions in print, more recent online
Trade classification: SITC2 at 3-digits
Offers: Time depth in a continuous classification

Covers: UN member countries
Years/Currency: 1962- , depending on classification and country
Trade classification: SITC1, SITC2, SITC3, HS92, HS96, HS02
Offers: Time depth, product detail, and currency to within the last year, depending on classification and country.