<Table> <Tr> <Th_colspan="2"> Botswana pula </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Obverse of 2 pula (1980s) </Td> <Td> Reverse of 2 pula (1980s) </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="2"> ISO 4217 </Th> </Tr> <Tr> <Th> Code </Th> <Td> BWP </Td> </Tr> <Tr> <Th_colspan="2"> Denominations </Th> </Tr> <Tr> <Th> Subunit </Th> <Td> </Td> </Tr> <Tr> <Th> 1 / 100 </Th> <Td> Thebe </Td> </Tr> <Tr> <Th> Symbol </Th> <Td> </Td> </Tr> <Tr> <Th> Banknotes </Th> <Td> 10, 20, 50, 100 and 200 pula </Td> </Tr> <Tr> <Th> Coins </Th> <Td> 5, 10, 25, 50 thebe, 1, 2, 5 pula </Td> </Tr> <Tr> <Th_colspan="2"> Demographics </Th> </Tr> <Tr> <Th> Official user (s) </Th> <Td> Botswana </Td> </Tr> <Tr> <Th> Unofficial user (s) </Th> <Td> Zimbabwe </Td> </Tr> <Tr> <Th_colspan="2"> Issuance </Th> </Tr> <Tr> <Th> Central bank </Th> <Td> Bank of Botswana </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.bankofbotswana.bw </Td> </Tr> <Tr> <Th_colspan="2"> Valuation </Th> </Tr> <Tr> <Th> Inflation </Th> <Td> 2.8% (May 2016) </Td> </Tr> <Tr> <Th> Source </Th> <Td> Bank of Botswana, 7 July 2016 </Td> </Tr> <Tr> <Th> Method </Th> <Td> CPI </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Botswana pula </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Obverse of 2 pula (1980s) </Td> <Td> Reverse of 2 pula (1980s) </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Obverse of 2 pula (1980s) </Td> <Td> Reverse of 2 pula (1980s) </Td> </Tr> </Table>

When did the currencies of zimbabwe and botswana first come in circulation