<Tr> <Th> Inflation </Th> <Td> 11.1% </Td> </Tr> <Tr> <Th> Source </Th> <Td> The World Factbook, 2013 est . </Td> </Tr> <P> The leone is the currency of Sierra Leone . It is subdivided into 100 cents . The ISO 4217 code is SLL and the leone is abbreviated as Le placed before the amount . </P> <P> The leone was introduced on 4 August 1964 . It replaced the British West African pound at a rate of 1 pound = 2 leones (i.e., 1 leone = 10 shillings). </P>

What is the currency used in sierra leone