Horn of Africa at the 2012 London Olympics. According to the IMF, in 2010 the Horn of Africa region had a total GDP (PPP) of $106.224 billion and nominal of $35.819 billion. Per capita, the GDP in 2010 was $1061 (PPP) and $358 (nominal). States of the region depend largely on a few key exports: Over 95% of cross-border trade within the region is unofficial and undocumented, carried out by pastoralists trading livestock. The unofficial trade of live cattle, camels, sheep and goats from Ethiopia sold to other countries in the Horn and the wider Eastern Africa region, including Somalia and Djibouti, generates
Horn of Africa called "qenet", of which there are four main modes: "tezeta", "bati", "ambassel", and "anchihoy". Three additional modes are variations on the above: tezeta minor, bati major, and bati minor. Some songs take the name of their qenet, such as tezeta, a song of reminiscence. In the field of technology, the Great Stele of Axum, at over long, was the largest single stone ever quarried in the ancient world. Most inhabitants in the Horn of Africa follow one of the three major Abrahamic faiths. These religions have had a longstanding adherence in the region. The ancient Axumite Kingdom produced coins and