6. BOTSWANA PULA BWP (1$=10.8)
The pula is Botswana’s official currency, with $1 worth about 10.8 Botswanan pula. The Botswanan economy is often regarded as an African success story; the country enjoys one of the highest Human Development Indexes (HDI) on the continent. Government revenue is derived from mining, cattle ranching, and the service sector.