[ 2 ]    -  Per capita $366 [ 2 ]   Gini  (2003) 62.9 ( high )  HDI  (2011) 0.336 ( low ) ( 180th ) Currency Leone ( SLL ) Time zone GMT ( UTC +0) Drives on the right (since 1 March 1971) ISO 3166 code SL Internet TLD .sl Calling code 232