airmanship of Judge Alfred Siboleka.[67]Regional councillors are directly elected through secret ballots (regional elections) by the inhabitants of their constituencies.[68]Local authorities in Namibia can be in the form of municipalities (either Part 1 or Part 2 municipalities), town councils or villages.[69]ආර්ථිකය[සංස්කරණය]Downtown WindhoekTsumeb's main roadNamibia's economy is tied closely to South Africa's due to their shared history.[70][71] The largest economic sectors are mining (10.4% of the gross domestic product in 2009), agriculture (5.0%), manufacturing (13.5%), and tourism.[72]Namibia has a highly developed banking sector with modern infrastructure, such as online banking and cellphone banking. The Bank of Namibia (BoN) is the central bank of Namibia responsible for performing all other functions ordinarily performed by a central bank. There are four BoN authorised commercial banks in Namibia: Bank Windhoek, First National Bank, Nedbank and Standard Bank.[73]Acco