<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (May 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (May 2017) (Learn how and when to remove this template message) </Td> </Tr> <Table> ICC World Twenty20 <Tr> <Th> Administrator </Th> <Td> International Cricket Council </Td> </Tr> <Tr> <Th> Format </Th> <Td> Twenty20 International </Td> </Tr> <Tr> <Th> First tournament </Th> <Td> 2007 </Td> </Tr> <Tr> <Th> Last tournament </Th> <Td> 2016 </Td> </Tr> <Tr> <Th> Next tournament </Th> <Td> 2020 </Td> </Tr> <Tr> <Th> Tournament format </Th> <Td> Preliminary round Super 10 Play - offs </Td> </Tr> <Tr> <Th> Number of teams </Th> <Td> 16 </Td> </Tr> <Tr> <Th> Current champion </Th> <Td> West Indies (2nd title) </Td> </Tr> <Tr> <Th> Most successful </Th> <Td> West Indies (2 titles) </Td> </Tr> <Tr> <Th> Most runs </Th> <Td> Mahela Jayawardene (1016) </Td> </Tr> <Tr> <Th> Most wickets </Th> <Td> Shahid Afridi (39) </Td> </Tr> </Table> <Tr> <Th> Administrator </Th> <Td> International Cricket Council </Td> </Tr>

When did west indies won t20 world cup