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GDP in Sri Lanka (2017) (242.3 billion USD p/a) is 5 x GDP in El Salvador (2015) (48.8 billion USD p/a)
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Time since the birth of Eratosthenes (2,297 y)
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"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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Click here for Podcast: Andrew Elliott interviewed for New Books Network.