For data not available from the World Bank Official Exchange Rate, annual average exchange rates are obtained from the CIA World Factbook
The 376 exchange rate listed by the World Bank for Bahrain seems to be listed in fulūs rather than Bahraini dinars. It has been changed to dinar by the relation 1 BHD = 1000 fulūs.
The Cape Verdean escudo is pegged to the Euro at the rate 1 EUR = 110.265 CVE, and the CIA World Factbook gives 1 USD = 0.885 EUR, so 1 USD = 97.584525 CVE.
The 8.75 exchange rate listed by the World Bank for El Salvador refers to the Salvadoran colón, which is no longer in circulation and has been replaced by the US dollar. Thus, the exchange rate used here is 1.
